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Finding the Fourth Proportional to 659,158.30, 988,737.45 and 304,067.26

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Solution

The fourth proportional to 659,158.30, 988,737.45 and 304,067.26 is: 456,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,158.30 : 988,737.45 = 304,067.26 : x
  2. Step 2: Convert to fraction form
    659,158.30/988,737.45 = 304,067.26/x
  3. Step 3: Cross multiply
    659,158.30x = 988,737.45 × 304,067.26
  4. Step 4: Simplify right side
    659,158.30x = 300,642,687,280.89
  5. Step 5: Solve for x
    x = 300,642,687,280.89/659,158.30
  6. Step 6: Final answer
    x = 456,100.89

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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.