Home / 792,148.40-1,188,222.60-392,634.80

Finding the Fourth Proportional to 792,148.40, 1,188,222.60 and 392,634.80

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Solution

The fourth proportional to 792,148.40, 1,188,222.60 and 392,634.80 is: 588,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,148.40 : 1,188,222.60 = 392,634.80 : x
  2. Step 2: Convert to fraction form
    792,148.40/1,188,222.60 = 392,634.80/x
  3. Step 3: Cross multiply
    792,148.40x = 1,188,222.60 × 392,634.80
  4. Step 4: Simplify right side
    792,148.40x = 466,537,542,906.48
  5. Step 5: Solve for x
    x = 466,537,542,906.48/792,148.40
  6. Step 6: Final answer
    x = 588,952.20

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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.