Home / 747,928.04-1,032,221.95-461,440.76

Finding the Fourth Proportional to 747,928.04, 1,032,221.95 and 461,440.76

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Solution

The fourth proportional to 747,928.04, 1,032,221.95 and 461,440.76 is: 636,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,928.04 : 1,032,221.95 = 461,440.76 : x
  2. Step 2: Convert to fraction form
    747,928.04/1,032,221.95 = 461,440.76/x
  3. Step 3: Cross multiply
    747,928.04x = 1,032,221.95 × 461,440.76
  4. Step 4: Simplify right side
    747,928.04x = 476,309,274,781.97
  5. Step 5: Solve for x
    x = 476,309,274,781.97/747,928.04
  6. Step 6: Final answer
    x = 636,838.38

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Half scale
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Double scale
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Similar ratio
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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.