Home / 949,297.29-1,309,979.79-519,494.38

Finding the Fourth Proportional to 949,297.29, 1,309,979.79 and 519,494.38

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Solution

The fourth proportional to 949,297.29, 1,309,979.79 and 519,494.38 is: 716,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,297.29 : 1,309,979.79 = 519,494.38 : x
  2. Step 2: Convert to fraction form
    949,297.29/1,309,979.79 = 519,494.38/x
  3. Step 3: Cross multiply
    949,297.29x = 1,309,979.79 × 519,494.38
  4. Step 4: Simplify right side
    949,297.29x = 680,527,135,543.63
  5. Step 5: Solve for x
    x = 680,527,135,543.63/949,297.29
  6. Step 6: Final answer
    x = 716,874.62

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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.