Home / 923,367.52-1,385,489.91-639,494.92

Finding the Fourth Proportional to 923,367.52, 1,385,489.91 and 639,494.92

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Solution

The fourth proportional to 923,367.52, 1,385,489.91 and 639,494.92 is: 959,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,367.52 : 1,385,489.91 = 639,494.92 : x
  2. Step 2: Convert to fraction form
    923,367.52/1,385,489.91 = 639,494.92/x
  3. Step 3: Cross multiply
    923,367.52x = 1,385,489.91 × 639,494.92
  4. Step 4: Simplify right side
    923,367.52x = 886,013,752,228.81
  5. Step 5: Solve for x
    x = 886,013,752,228.81/923,367.52
  6. Step 6: Final answer
    x = 959,546.16

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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.