Home / 672,064.80-1,008,097.20-656,318.40

Finding the Fourth Proportional to 672,064.80, 1,008,097.20 and 656,318.40

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Solution

The fourth proportional to 672,064.80, 1,008,097.20 and 656,318.40 is: 984,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,064.80 : 1,008,097.20 = 656,318.40 : x
  2. Step 2: Convert to fraction form
    672,064.80/1,008,097.20 = 656,318.40/x
  3. Step 3: Cross multiply
    672,064.80x = 1,008,097.20 × 656,318.40
  4. Step 4: Simplify right side
    672,064.80x = 661,632,741,348.48
  5. Step 5: Solve for x
    x = 661,632,741,348.48/672,064.80
  6. Step 6: Final answer
    x = 984,477.60

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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.