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Finding the Fourth Proportional to 733,652.80, 1,100,479.20 and 670,667.20

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Solution

The fourth proportional to 733,652.80, 1,100,479.20 and 670,667.20 is: 1,006,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,652.80 : 1,100,479.20 = 670,667.20 : x
  2. Step 2: Convert to fraction form
    733,652.80/1,100,479.20 = 670,667.20/x
  3. Step 3: Cross multiply
    733,652.80x = 1,100,479.20 × 670,667.20
  4. Step 4: Simplify right side
    733,652.80x = 738,055,303,722.24
  5. Step 5: Solve for x
    x = 738,055,303,722.24/733,652.80
  6. Step 6: Final answer
    x = 1,006,000.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.