Home / 992,530.17-1,488,654.37-318,524.11

Finding the Fourth Proportional to 992,530.17, 1,488,654.37 and 318,524.11

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Solution

The fourth proportional to 992,530.17, 1,488,654.37 and 318,524.11 is: 477,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,530.17 : 1,488,654.37 = 318,524.11 : x
  2. Step 2: Convert to fraction form
    992,530.17/1,488,654.37 = 318,524.11/x
  3. Step 3: Cross multiply
    992,530.17x = 1,488,654.37 × 318,524.11
  4. Step 4: Simplify right side
    992,530.17x = 474,172,308,301.86
  5. Step 5: Solve for x
    x = 474,172,308,301.86/992,530.17
  6. Step 6: Final answer
    x = 477,740.95

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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.