Home / 672,154.20-1,008,231.30-472,699.80

Finding the Fourth Proportional to 672,154.20, 1,008,231.30 and 472,699.80

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Solution

The fourth proportional to 672,154.20, 1,008,231.30 and 472,699.80 is: 709,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,154.20 : 1,008,231.30 = 472,699.80 : x
  2. Step 2: Convert to fraction form
    672,154.20/1,008,231.30 = 472,699.80/x
  3. Step 3: Cross multiply
    672,154.20x = 1,008,231.30 × 472,699.80
  4. Step 4: Simplify right side
    672,154.20x = 476,590,733,863.74
  5. Step 5: Solve for x
    x = 476,590,733,863.74/672,154.20
  6. Step 6: Final answer
    x = 709,049.70

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Similar ratio
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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.