Home / 758,519.28-1,046,753.42-418,987.53

Finding the Fourth Proportional to 758,519.28, 1,046,753.42 and 418,987.53

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Solution

The fourth proportional to 758,519.28, 1,046,753.42 and 418,987.53 is: 578,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,519.28 : 1,046,753.42 = 418,987.53 : x
  2. Step 2: Convert to fraction form
    758,519.28/1,046,753.42 = 418,987.53/x
  3. Step 3: Cross multiply
    758,519.28x = 1,046,753.42 × 418,987.53
  4. Step 4: Simplify right side
    758,519.28x = 438,576,627,869.92
  5. Step 5: Solve for x
    x = 438,576,627,869.92/758,519.28
  6. Step 6: Final answer
    x = 578,201.03

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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.