Home / 447,824.06-671,951.15-279,301.13

Finding the Fourth Proportional to 447,824.06, 671,951.15 and 279,301.13

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Solution

The fourth proportional to 447,824.06, 671,951.15 and 279,301.13 is: 419,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,824.06 : 671,951.15 = 279,301.13 : x
  2. Step 2: Convert to fraction form
    447,824.06/671,951.15 = 279,301.13/x
  3. Step 3: Cross multiply
    447,824.06x = 671,951.15 × 279,301.13
  4. Step 4: Simplify right side
    447,824.06x = 187,676,710,743.54
  5. Step 5: Solve for x
    x = 187,676,710,743.54/447,824.06
  6. Step 6: Final answer
    x = 419,085.82

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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.