Home / 869,793.40-1,304,631.42-238,654.36

Finding the Fourth Proportional to 869,793.40, 1,304,631.42 and 238,654.36

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Solution

The fourth proportional to 869,793.40, 1,304,631.42 and 238,654.36 is: 357,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,793.40 : 1,304,631.42 = 238,654.36 : x
  2. Step 2: Convert to fraction form
    869,793.40/1,304,631.42 = 238,654.36/x
  3. Step 3: Cross multiply
    869,793.40x = 1,304,631.42 × 238,654.36
  4. Step 4: Simplify right side
    869,793.40x = 311,355,976,575.99
  5. Step 5: Solve for x
    x = 311,355,976,575.99/869,793.40
  6. Step 6: Final answer
    x = 357,965.44

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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.