Home / 658,787.34-987,733.89-209,373.42

Finding the Fourth Proportional to 658,787.34, 987,733.89 and 209,373.42

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Solution

The fourth proportional to 658,787.34, 987,733.89 and 209,373.42 is: 313,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,787.34 : 987,733.89 = 209,373.42 : x
  2. Step 2: Convert to fraction form
    658,787.34/987,733.89 = 209,373.42/x
  3. Step 3: Cross multiply
    658,787.34x = 987,733.89 × 209,373.42
  4. Step 4: Simplify right side
    658,787.34x = 206,805,222,599.20
  5. Step 5: Solve for x
    x = 206,805,222,599.20/658,787.34
  6. Step 6: Final answer
    x = 313,918.03

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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.