Home / 839,208.15-1,259,909.82-498,273.97

Finding the Fourth Proportional to 839,208.15, 1,259,909.82 and 498,273.97

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Solution

The fourth proportional to 839,208.15, 1,259,909.82 and 498,273.97 is: 748,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,208.15 : 1,259,909.82 = 498,273.97 : x
  2. Step 2: Convert to fraction form
    839,208.15/1,259,909.82 = 498,273.97/x
  3. Step 3: Cross multiply
    839,208.15x = 1,259,909.82 × 498,273.97
  4. Step 4: Simplify right side
    839,208.15x = 627,780,267,853.39
  5. Step 5: Solve for x
    x = 627,780,267,853.39/839,208.15
  6. Step 6: Final answer
    x = 748,062.64

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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.