Home / 869,409.55-1,304,098.76-356,963.42

Finding the Fourth Proportional to 869,409.55, 1,304,098.76 and 356,963.42

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Solution

The fourth proportional to 869,409.55, 1,304,098.76 and 356,963.42 is: 535,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,409.55 : 1,304,098.76 = 356,963.42 : x
  2. Step 2: Convert to fraction form
    869,409.55/1,304,098.76 = 356,963.42/x
  3. Step 3: Cross multiply
    869,409.55x = 1,304,098.76 × 356,963.42
  4. Step 4: Simplify right side
    869,409.55x = 465,515,553,387.36
  5. Step 5: Solve for x
    x = 465,515,553,387.36/869,409.55
  6. Step 6: Final answer
    x = 535,438.74

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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.