Home / 725,059.20-1,000,581.18-402,799.34

Finding the Fourth Proportional to 725,059.20, 1,000,581.18 and 402,799.34

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Solution

The fourth proportional to 725,059.20, 1,000,581.18 and 402,799.34 is: 555,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,059.20 : 1,000,581.18 = 402,799.34 : x
  2. Step 2: Convert to fraction form
    725,059.20/1,000,581.18 = 402,799.34/x
  3. Step 3: Cross multiply
    725,059.20x = 1,000,581.18 × 402,799.34
  4. Step 4: Simplify right side
    725,059.20x = 403,033,438,920.42
  5. Step 5: Solve for x
    x = 403,033,438,920.42/725,059.20
  6. Step 6: Final answer
    x = 555,862.80

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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.