Home / 792,006.30-1,188,009.45-392,708.70

Finding the Fourth Proportional to 792,006.30, 1,188,009.45 and 392,708.70

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Solution

The fourth proportional to 792,006.30, 1,188,009.45 and 392,708.70 is: 589,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,006.30 : 1,188,009.45 = 392,708.70 : x
  2. Step 2: Convert to fraction form
    792,006.30/1,188,009.45 = 392,708.70/x
  3. Step 3: Cross multiply
    792,006.30x = 1,188,009.45 × 392,708.70
  4. Step 4: Simplify right side
    792,006.30x = 466,541,646,697.22
  5. Step 5: Solve for x
    x = 466,541,646,697.22/792,006.30
  6. Step 6: Final answer
    x = 589,063.05

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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.