Home / 748,856.80-1,123,285.20-416,432.80

Finding the Fourth Proportional to 748,856.80, 1,123,285.20 and 416,432.80

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Solution

The fourth proportional to 748,856.80, 1,123,285.20 and 416,432.80 is: 624,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,856.80 : 1,123,285.20 = 416,432.80 : x
  2. Step 2: Convert to fraction form
    748,856.80/1,123,285.20 = 416,432.80/x
  3. Step 3: Cross multiply
    748,856.80x = 1,123,285.20 × 416,432.80
  4. Step 4: Simplify right side
    748,856.80x = 467,772,801,034.56
  5. Step 5: Solve for x
    x = 467,772,801,034.56/748,856.80
  6. Step 6: Final answer
    x = 624,649.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 748,857.80, 1,123,286.70 and 416,433.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.