Home / 747,765.24-1,031,910.60-408,233.40

Finding the Fourth Proportional to 747,765.24, 1,031,910.60 and 408,233.40

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Solution

The fourth proportional to 747,765.24, 1,031,910.60 and 408,233.40 is: 563,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,765.24 : 1,031,910.60 = 408,233.40 : x
  2. Step 2: Convert to fraction form
    747,765.24/1,031,910.60 = 408,233.40/x
  3. Step 3: Cross multiply
    747,765.24x = 1,031,910.60 × 408,233.40
  4. Step 4: Simplify right side
    747,765.24x = 421,260,372,734.04
  5. Step 5: Solve for x
    x = 421,260,372,734.04/747,765.24
  6. Step 6: Final answer
    x = 563,359.13

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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.