Home / 687,679.06-1,031,671.62-226,077.88

Finding the Fourth Proportional to 687,679.06, 1,031,671.62 and 226,077.88

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Solution

The fourth proportional to 687,679.06, 1,031,671.62 and 226,077.88 is: 339,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,679.06 : 1,031,671.62 = 226,077.88 : x
  2. Step 2: Convert to fraction form
    687,679.06/1,031,671.62 = 226,077.88/x
  3. Step 3: Cross multiply
    687,679.06x = 1,031,671.62 × 226,077.88
  4. Step 4: Simplify right side
    687,679.06x = 233,238,132,705.77
  5. Step 5: Solve for x
    x = 233,238,132,705.77/687,679.06
  6. Step 6: Final answer
    x = 339,167.13

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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.