Home / 627,332.72-940,470.09-272,079.17

Finding the Fourth Proportional to 627,332.72, 940,470.09 and 272,079.17

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Solution

The fourth proportional to 627,332.72, 940,470.09 and 272,079.17 is: 407,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,332.72 : 940,470.09 = 272,079.17 : x
  2. Step 2: Convert to fraction form
    627,332.72/940,470.09 = 272,079.17/x
  3. Step 3: Cross multiply
    627,332.72x = 940,470.09 × 272,079.17
  4. Step 4: Simplify right side
    627,332.72x = 255,882,324,528.40
  5. Step 5: Solve for x
    x = 255,882,324,528.40/627,332.72
  6. Step 6: Final answer
    x = 407,889.33

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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.