Home / 992,390.24-1,488,631.44-318,499.04

Finding the Fourth Proportional to 992,390.24, 1,488,631.44 and 318,499.04

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Solution

The fourth proportional to 992,390.24, 1,488,631.44 and 318,499.04 is: 477,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,390.24 : 1,488,631.44 = 318,499.04 : x
  2. Step 2: Convert to fraction form
    992,390.24/1,488,631.44 = 318,499.04/x
  3. Step 3: Cross multiply
    992,390.24x = 1,488,631.44 × 318,499.04
  4. Step 4: Simplify right side
    992,390.24x = 474,127,684,553.82
  5. Step 5: Solve for x
    x = 474,127,684,553.82/992,390.24
  6. Step 6: Final answer
    x = 477,763.35

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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.