Home / 747,460.50-1,031,481.10-407,931.18

Finding the Fourth Proportional to 747,460.50, 1,031,481.10 and 407,931.18

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Solution

The fourth proportional to 747,460.50, 1,031,481.10 and 407,931.18 is: 562,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,460.50 : 1,031,481.10 = 407,931.18 : x
  2. Step 2: Convert to fraction form
    747,460.50/1,031,481.10 = 407,931.18/x
  3. Step 3: Cross multiply
    747,460.50x = 1,031,481.10 × 407,931.18
  4. Step 4: Simplify right side
    747,460.50x = 420,773,302,270.70
  5. Step 5: Solve for x
    x = 420,773,302,270.70/747,460.50
  6. Step 6: Final answer
    x = 562,937.17

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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.