Home / 627,379.47-940,540.08-272,126.01

Finding the Fourth Proportional to 627,379.47, 940,540.08 and 272,126.01

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Solution

The fourth proportional to 627,379.47, 940,540.08 and 272,126.01 is: 407,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,379.47 : 940,540.08 = 272,126.01 : x
  2. Step 2: Convert to fraction form
    627,379.47/940,540.08 = 272,126.01/x
  3. Step 3: Cross multiply
    627,379.47x = 940,540.08 × 272,126.01
  4. Step 4: Simplify right side
    627,379.47x = 255,945,419,215.48
  5. Step 5: Solve for x
    x = 255,945,419,215.48/627,379.47
  6. Step 6: Final answer
    x = 407,959.51

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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.