Home / 792,003.70-1,188,005.55-487,573.30

Finding the Fourth Proportional to 792,003.70, 1,188,005.55 and 487,573.30

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Solution

The fourth proportional to 792,003.70, 1,188,005.55 and 487,573.30 is: 731,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,003.70 : 1,188,005.55 = 487,573.30 : x
  2. Step 2: Convert to fraction form
    792,003.70/1,188,005.55 = 487,573.30/x
  3. Step 3: Cross multiply
    792,003.70x = 1,188,005.55 × 487,573.30
  4. Step 4: Simplify right side
    792,003.70x = 579,239,786,431.82
  5. Step 5: Solve for x
    x = 579,239,786,431.82/792,003.70
  6. Step 6: Final answer
    x = 731,359.95

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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.