Home / 725,062.78-1,000,558.82-402,793.14

Finding the Fourth Proportional to 725,062.78, 1,000,558.82 and 402,793.14

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Solution

The fourth proportional to 725,062.78, 1,000,558.82 and 402,793.14 is: 555,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,062.78 : 1,000,558.82 = 402,793.14 : x
  2. Step 2: Convert to fraction form
    725,062.78/1,000,558.82 = 402,793.14/x
  3. Step 3: Cross multiply
    725,062.78x = 1,000,558.82 × 402,793.14
  4. Step 4: Simplify right side
    725,062.78x = 403,018,229,869.48
  5. Step 5: Solve for x
    x = 403,018,229,869.48/725,062.78
  6. Step 6: Final answer
    x = 555,839.08

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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.