Home / 672,003.30-1,008,004.95-656,451.30

Finding the Fourth Proportional to 672,003.30, 1,008,004.95 and 656,451.30

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Solution

The fourth proportional to 672,003.30, 1,008,004.95 and 656,451.30 is: 984,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,003.30 : 1,008,004.95 = 656,451.30 : x
  2. Step 2: Convert to fraction form
    672,003.30/1,008,004.95 = 656,451.30/x
  3. Step 3: Cross multiply
    672,003.30x = 1,008,004.95 × 656,451.30
  4. Step 4: Simplify right side
    672,003.30x = 661,706,159,833.94
  5. Step 5: Solve for x
    x = 661,706,159,833.94/672,003.30
  6. Step 6: Final answer
    x = 984,676.95

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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.