Home / 792,046.20-1,188,069.30-487,615.80

Finding the Fourth Proportional to 792,046.20, 1,188,069.30 and 487,615.80

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Solution

The fourth proportional to 792,046.20, 1,188,069.30 and 487,615.80 is: 731,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,046.20 : 1,188,069.30 = 487,615.80 : x
  2. Step 2: Convert to fraction form
    792,046.20/1,188,069.30 = 487,615.80/x
  3. Step 3: Cross multiply
    792,046.20x = 1,188,069.30 × 487,615.80
  4. Step 4: Simplify right side
    792,046.20x = 579,321,362,174.94
  5. Step 5: Solve for x
    x = 579,321,362,174.94/792,046.20
  6. Step 6: Final answer
    x = 731,423.70

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Double scale
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Similar ratio
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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.