Home / 672,028.60-1,008,042.90-298,780.60

Finding the Fourth Proportional to 672,028.60, 1,008,042.90 and 298,780.60

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Solution

The fourth proportional to 672,028.60, 1,008,042.90 and 298,780.60 is: 448,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,028.60 : 1,008,042.90 = 298,780.60 : x
  2. Step 2: Convert to fraction form
    672,028.60/1,008,042.90 = 298,780.60/x
  3. Step 3: Cross multiply
    672,028.60x = 1,008,042.90 × 298,780.60
  4. Step 4: Simplify right side
    672,028.60x = 301,183,662,487.74
  5. Step 5: Solve for x
    x = 301,183,662,487.74/672,028.60
  6. Step 6: Final answer
    x = 448,170.90

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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.