Home / 869,641.38-1,304,449.92-301,436.10

Finding the Fourth Proportional to 869,641.38, 1,304,449.92 and 301,436.10

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Solution

The fourth proportional to 869,641.38, 1,304,449.92 and 301,436.10 is: 452,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,641.38 : 1,304,449.92 = 301,436.10 : x
  2. Step 2: Convert to fraction form
    869,641.38/1,304,449.92 = 301,436.10/x
  3. Step 3: Cross multiply
    869,641.38x = 1,304,449.92 × 301,436.10
  4. Step 4: Simplify right side
    869,641.38x = 393,208,296,530.11
  5. Step 5: Solve for x
    x = 393,208,296,530.11/869,641.38
  6. Step 6: Final answer
    x = 452,149.94

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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.