Home / 927,220.97-1,279,274.41-519,267.71

Finding the Fourth Proportional to 927,220.97, 1,279,274.41 and 519,267.71

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Solution

The fourth proportional to 927,220.97, 1,279,274.41 and 519,267.71 is: 716,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,220.97 : 1,279,274.41 = 519,267.71 : x
  2. Step 2: Convert to fraction form
    927,220.97/1,279,274.41 = 519,267.71/x
  3. Step 3: Cross multiply
    927,220.97x = 1,279,274.41 × 519,267.71
  4. Step 4: Simplify right side
    927,220.97x = 664,285,897,189.57
  5. Step 5: Solve for x
    x = 664,285,897,189.57/927,220.97
  6. Step 6: Final answer
    x = 716,426.74

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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.