Home / 460,943.91-636,144.37-279,701.75

Finding the Fourth Proportional to 460,943.91, 636,144.37 and 279,701.75

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Solution

The fourth proportional to 460,943.91, 636,144.37 and 279,701.75 is: 386,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,943.91 : 636,144.37 = 279,701.75 : x
  2. Step 2: Convert to fraction form
    460,943.91/636,144.37 = 279,701.75/x
  3. Step 3: Cross multiply
    460,943.91x = 636,144.37 × 279,701.75
  4. Step 4: Simplify right side
    460,943.91x = 177,930,694,432.75
  5. Step 5: Solve for x
    x = 177,930,694,432.75/460,943.91
  6. Step 6: Final answer
    x = 386,013.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.