Home / 747,455.85-1,031,513.13-425,157.66

Finding the Fourth Proportional to 747,455.85, 1,031,513.13 and 425,157.66

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Solution

The fourth proportional to 747,455.85, 1,031,513.13 and 425,157.66 is: 586,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,455.85 : 1,031,513.13 = 425,157.66 : x
  2. Step 2: Convert to fraction form
    747,455.85/1,031,513.13 = 425,157.66/x
  3. Step 3: Cross multiply
    747,455.85x = 1,031,513.13 × 425,157.66
  4. Step 4: Simplify right side
    747,455.85x = 438,555,708,610.08
  5. Step 5: Solve for x
    x = 438,555,708,610.08/747,455.85
  6. Step 6: Final answer
    x = 586,731.25

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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.