Home / 658,913.33-987,240.57-442,366.49

Finding the Fourth Proportional to 658,913.33, 987,240.57 and 442,366.49

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Solution

The fourth proportional to 658,913.33, 987,240.57 and 442,366.49 is: 662,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,913.33 : 987,240.57 = 442,366.49 : x
  2. Step 2: Convert to fraction form
    658,913.33/987,240.57 = 442,366.49/x
  3. Step 3: Cross multiply
    658,913.33x = 987,240.57 × 442,366.49
  4. Step 4: Simplify right side
    658,913.33x = 436,722,145,736.50
  5. Step 5: Solve for x
    x = 436,722,145,736.50/658,913.33
  6. Step 6: Final answer
    x = 662,791.49

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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.