Home / 869,407.55-1,304,095.76-356,961.42

Finding the Fourth Proportional to 869,407.55, 1,304,095.76 and 356,961.42

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Solution

The fourth proportional to 869,407.55, 1,304,095.76 and 356,961.42 is: 535,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,407.55 : 1,304,095.76 = 356,961.42 : x
  2. Step 2: Convert to fraction form
    869,407.55/1,304,095.76 = 356,961.42/x
  3. Step 3: Cross multiply
    869,407.55x = 1,304,095.76 × 356,961.42
  4. Step 4: Simplify right side
    869,407.55x = 465,511,866,892.70
  5. Step 5: Solve for x
    x = 465,511,866,892.70/869,407.55
  6. Step 6: Final answer
    x = 535,435.73

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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.