Home / 839,209.15-1,259,911.32-498,274.97

Finding the Fourth Proportional to 839,209.15, 1,259,911.32 and 498,274.97

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Solution

The fourth proportional to 839,209.15, 1,259,911.32 and 498,274.97 is: 748,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,209.15 : 1,259,911.32 = 498,274.97 : x
  2. Step 2: Convert to fraction form
    839,209.15/1,259,911.32 = 498,274.97/x
  3. Step 3: Cross multiply
    839,209.15x = 1,259,911.32 × 498,274.97
  4. Step 4: Simplify right side
    839,209.15x = 627,782,275,175.66
  5. Step 5: Solve for x
    x = 627,782,275,175.66/839,209.15
  6. Step 6: Final answer
    x = 748,064.14

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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.