Home / 725,591.70-1,001,315.52-403,331.76

Finding the Fourth Proportional to 725,591.70, 1,001,315.52 and 403,331.76

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Solution

The fourth proportional to 725,591.70, 1,001,315.52 and 403,331.76 is: 556,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,591.70 : 1,001,315.52 = 403,331.76 : x
  2. Step 2: Convert to fraction form
    725,591.70/1,001,315.52 = 403,331.76/x
  3. Step 3: Cross multiply
    725,591.70x = 1,001,315.52 × 403,331.76
  4. Step 4: Simplify right side
    725,591.70x = 403,862,350,996.92
  5. Step 5: Solve for x
    x = 403,862,350,996.92/725,591.70
  6. Step 6: Final answer
    x = 556,597.26

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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.