Home / 749,649.20-1,034,525.40-410,123.12

Finding the Fourth Proportional to 749,649.20, 1,034,525.40 and 410,123.12

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Solution

The fourth proportional to 749,649.20, 1,034,525.40 and 410,123.12 is: 565,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,649.20 : 1,034,525.40 = 410,123.12 : x
  2. Step 2: Convert to fraction form
    749,649.20/1,034,525.40 = 410,123.12/x
  3. Step 3: Cross multiply
    749,649.20x = 1,034,525.40 × 410,123.12
  4. Step 4: Simplify right side
    749,649.20x = 424,282,784,767.25
  5. Step 5: Solve for x
    x = 424,282,784,767.25/749,649.20
  6. Step 6: Final answer
    x = 565,975.11

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.