Home / 792,314.20-1,188,471.30-657,011.80

Finding the Fourth Proportional to 792,314.20, 1,188,471.30 and 657,011.80

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Solution

The fourth proportional to 792,314.20, 1,188,471.30 and 657,011.80 is: 985,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,314.20 : 1,188,471.30 = 657,011.80 : x
  2. Step 2: Convert to fraction form
    792,314.20/1,188,471.30 = 657,011.80/x
  3. Step 3: Cross multiply
    792,314.20x = 1,188,471.30 × 657,011.80
  4. Step 4: Simplify right side
    792,314.20x = 780,839,668,061.34
  5. Step 5: Solve for x
    x = 780,839,668,061.34/792,314.20
  6. Step 6: Final answer
    x = 985,517.70

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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.