Home / 672,207.76-1,009,008.60-298,493.20

Finding the Fourth Proportional to 672,207.76, 1,009,008.60 and 298,493.20

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Solution

The fourth proportional to 672,207.76, 1,009,008.60 and 298,493.20 is: 448,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,207.76 : 1,009,008.60 = 298,493.20 : x
  2. Step 2: Convert to fraction form
    672,207.76/1,009,008.60 = 298,493.20/x
  3. Step 3: Cross multiply
    672,207.76x = 1,009,008.60 × 298,493.20
  4. Step 4: Simplify right side
    672,207.76x = 301,182,205,841.52
  5. Step 5: Solve for x
    x = 301,182,205,841.52/672,207.76
  6. Step 6: Final answer
    x = 448,049.28

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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.