Home / 672,781.34-1,009,172.01-273,328.53

Finding the Fourth Proportional to 672,781.34, 1,009,172.01 and 273,328.53

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Solution

The fourth proportional to 672,781.34, 1,009,172.01 and 273,328.53 is: 409,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,781.34 : 1,009,172.01 = 273,328.53 : x
  2. Step 2: Convert to fraction form
    672,781.34/1,009,172.01 = 273,328.53/x
  3. Step 3: Cross multiply
    672,781.34x = 1,009,172.01 × 273,328.53
  4. Step 4: Simplify right side
    672,781.34x = 275,835,499,251.03
  5. Step 5: Solve for x
    x = 275,835,499,251.03/672,781.34
  6. Step 6: Final answer
    x = 409,992.79

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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.