Home / 725,022.48-1,000,549.20-402,717.12

Finding the Fourth Proportional to 725,022.48, 1,000,549.20 and 402,717.12

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Solution

The fourth proportional to 725,022.48, 1,000,549.20 and 402,717.12 is: 555,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,022.48 : 1,000,549.20 = 402,717.12 : x
  2. Step 2: Convert to fraction form
    725,022.48/1,000,549.20 = 402,717.12/x
  3. Step 3: Cross multiply
    725,022.48x = 1,000,549.20 × 402,717.12
  4. Step 4: Simplify right side
    725,022.48x = 402,938,292,242.30
  5. Step 5: Solve for x
    x = 402,938,292,242.30/725,022.48
  6. Step 6: Final answer
    x = 555,759.72

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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.