Home / 672,011.55-1,008,017.33-656,459.55

Finding the Fourth Proportional to 672,011.55, 1,008,017.33 and 656,459.55

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Solution

The fourth proportional to 672,011.55, 1,008,017.33 and 656,459.55 is: 984,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,011.55 : 1,008,017.33 = 656,459.55 : x
  2. Step 2: Convert to fraction form
    672,011.55/1,008,017.33 = 656,459.55/x
  3. Step 3: Cross multiply
    672,011.55x = 1,008,017.33 × 656,459.55
  4. Step 4: Simplify right side
    672,011.55x = 661,722,599,561.70
  5. Step 5: Solve for x
    x = 661,722,599,561.70/672,011.55
  6. Step 6: Final answer
    x = 984,689.33

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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.