Home / 672,102.20-1,008,153.30-298,125.20

Finding the Fourth Proportional to 672,102.20, 1,008,153.30 and 298,125.20

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Solution

The fourth proportional to 672,102.20, 1,008,153.30 and 298,125.20 is: 447,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,102.20 : 1,008,153.30 = 298,125.20 : x
  2. Step 2: Convert to fraction form
    672,102.20/1,008,153.30 = 298,125.20/x
  3. Step 3: Cross multiply
    672,102.20x = 1,008,153.30 × 298,125.20
  4. Step 4: Simplify right side
    672,102.20x = 300,555,904,193.16
  5. Step 5: Solve for x
    x = 300,555,904,193.16/672,102.20
  6. Step 6: Final answer
    x = 447,187.80

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Double scale
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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.