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Finding the Fourth Proportional to 992,797.80, 1,488,753.81 and 282,659.70

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Solution

The fourth proportional to 992,797.80, 1,488,753.81 and 282,659.70 is: 423,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,797.80 : 1,488,753.81 = 282,659.70 : x
  2. Step 2: Convert to fraction form
    992,797.80/1,488,753.81 = 282,659.70/x
  3. Step 3: Cross multiply
    992,797.80x = 1,488,753.81 × 282,659.70
  4. Step 4: Simplify right side
    992,797.80x = 420,810,705,308.46
  5. Step 5: Solve for x
    x = 420,810,705,308.46/992,797.80
  6. Step 6: Final answer
    x = 423,863.45

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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.