Home / 949,079.82-1,309,730.19-519,359.97

Finding the Fourth Proportional to 949,079.82, 1,309,730.19 and 519,359.97

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Solution

The fourth proportional to 949,079.82, 1,309,730.19 and 519,359.97 is: 716,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,079.82 : 1,309,730.19 = 519,359.97 : x
  2. Step 2: Convert to fraction form
    949,079.82/1,309,730.19 = 519,359.97/x
  3. Step 3: Cross multiply
    949,079.82x = 1,309,730.19 × 519,359.97
  4. Step 4: Simplify right side
    949,079.82x = 680,221,432,186.49
  5. Step 5: Solve for x
    x = 680,221,432,186.49/949,079.82
  6. Step 6: Final answer
    x = 716,716.78

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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.