Home / 792,143.40-1,188,215.10-392,629.80

Finding the Fourth Proportional to 792,143.40, 1,188,215.10 and 392,629.80

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Solution

The fourth proportional to 792,143.40, 1,188,215.10 and 392,629.80 is: 588,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,143.40 : 1,188,215.10 = 392,629.80 : x
  2. Step 2: Convert to fraction form
    792,143.40/1,188,215.10 = 392,629.80/x
  3. Step 3: Cross multiply
    792,143.40x = 1,188,215.10 × 392,629.80
  4. Step 4: Simplify right side
    792,143.40x = 466,528,657,069.98
  5. Step 5: Solve for x
    x = 466,528,657,069.98/792,143.40
  6. Step 6: Final answer
    x = 588,944.70

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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.