Home / 869,756.40-1,304,575.92-238,617.36

Finding the Fourth Proportional to 869,756.40, 1,304,575.92 and 238,617.36

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Solution

The fourth proportional to 869,756.40, 1,304,575.92 and 238,617.36 is: 357,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,756.40 : 1,304,575.92 = 238,617.36 : x
  2. Step 2: Convert to fraction form
    869,756.40/1,304,575.92 = 238,617.36/x
  3. Step 3: Cross multiply
    869,756.40x = 1,304,575.92 × 238,617.36
  4. Step 4: Simplify right side
    869,756.40x = 311,294,461,949.97
  5. Step 5: Solve for x
    x = 311,294,461,949.97/869,756.40
  6. Step 6: Final answer
    x = 357,909.94

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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.