Home / 725,053.20-1,000,572.90-402,793.34

Finding the Fourth Proportional to 725,053.20, 1,000,572.90 and 402,793.34

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Solution

The fourth proportional to 725,053.20, 1,000,572.90 and 402,793.34 is: 555,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,053.20 : 1,000,572.90 = 402,793.34 : x
  2. Step 2: Convert to fraction form
    725,053.20/1,000,572.90 = 402,793.34/x
  3. Step 3: Cross multiply
    725,053.20x = 1,000,572.90 × 402,793.34
  4. Step 4: Simplify right side
    725,053.20x = 403,024,100,304.49
  5. Step 5: Solve for x
    x = 403,024,100,304.49/725,053.20
  6. Step 6: Final answer
    x = 555,854.52

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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.