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Finding the Fourth Proportional to 888,456.68, 1,332,662.88 and 415,671.02

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Solution

The fourth proportional to 888,456.68, 1,332,662.88 and 415,671.02 is: 623,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,456.68 : 1,332,662.88 = 415,671.02 : x
  2. Step 2: Convert to fraction form
    888,456.68/1,332,662.88 = 415,671.02/x
  3. Step 3: Cross multiply
    888,456.68x = 1,332,662.88 × 415,671.02
  4. Step 4: Simplify right side
    888,456.68x = 553,949,338,645.74
  5. Step 5: Solve for x
    x = 553,949,338,645.74/888,456.68
  6. Step 6: Final answer
    x = 623,496.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.