Home / 747,478.50-1,031,505.94-407,949.18

Finding the Fourth Proportional to 747,478.50, 1,031,505.94 and 407,949.18

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Solution

The fourth proportional to 747,478.50, 1,031,505.94 and 407,949.18 is: 562,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,478.50 : 1,031,505.94 = 407,949.18 : x
  2. Step 2: Convert to fraction form
    747,478.50/1,031,505.94 = 407,949.18/x
  3. Step 3: Cross multiply
    747,478.50x = 1,031,505.94 × 407,949.18
  4. Step 4: Simplify right side
    747,478.50x = 420,802,002,388.13
  5. Step 5: Solve for x
    x = 420,802,002,388.13/747,478.50
  6. Step 6: Final answer
    x = 562,962.01

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Double scale
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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.