Home / 992,230.13-1,488,264.35-318,129.90

Finding the Fourth Proportional to 992,230.13, 1,488,264.35 and 318,129.90

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Solution

The fourth proportional to 992,230.13, 1,488,264.35 and 318,129.90 is: 477,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,230.13 : 1,488,264.35 = 318,129.90 : x
  2. Step 2: Convert to fraction form
    992,230.13/1,488,264.35 = 318,129.90/x
  3. Step 3: Cross multiply
    992,230.13x = 1,488,264.35 × 318,129.90
  4. Step 4: Simplify right side
    992,230.13x = 473,461,387,248.42
  5. Step 5: Solve for x
    x = 473,461,387,248.42/992,230.13
  6. Step 6: Final answer
    x = 477,168.93

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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.