Home / 758,104.80-1,046,177.68-418,565.60

Finding the Fourth Proportional to 758,104.80, 1,046,177.68 and 418,565.60

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Solution

The fourth proportional to 758,104.80, 1,046,177.68 and 418,565.60 is: 577,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,104.80 : 1,046,177.68 = 418,565.60 : x
  2. Step 2: Convert to fraction form
    758,104.80/1,046,177.68 = 418,565.60/x
  3. Step 3: Cross multiply
    758,104.80x = 1,046,177.68 × 418,565.60
  4. Step 4: Simplify right side
    758,104.80x = 437,893,988,335.81
  5. Step 5: Solve for x
    x = 437,893,988,335.81/758,104.80
  6. Step 6: Final answer
    x = 577,616.69

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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.