Home / 792,015.60-1,187,731.80-392,523.60

Finding the Fourth Proportional to 792,015.60, 1,187,731.80 and 392,523.60

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Solution

The fourth proportional to 792,015.60, 1,187,731.80 and 392,523.60 is: 588,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,015.60 : 1,187,731.80 = 392,523.60 : x
  2. Step 2: Convert to fraction form
    792,015.60/1,187,731.80 = 392,523.60/x
  3. Step 3: Cross multiply
    792,015.60x = 1,187,731.80 × 392,523.60
  4. Step 4: Simplify right side
    792,015.60x = 466,212,761,970.48
  5. Step 5: Solve for x
    x = 466,212,761,970.48/792,015.60
  6. Step 6: Final answer
    x = 588,640.88

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1.5x scale

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.