Home / 839,207.15-1,259,908.32-498,272.97

Finding the Fourth Proportional to 839,207.15, 1,259,908.32 and 498,272.97

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Solution

The fourth proportional to 839,207.15, 1,259,908.32 and 498,272.97 is: 748,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,207.15 : 1,259,908.32 = 498,272.97 : x
  2. Step 2: Convert to fraction form
    839,207.15/1,259,908.32 = 498,272.97/x
  3. Step 3: Cross multiply
    839,207.15x = 1,259,908.32 × 498,272.97
  4. Step 4: Simplify right side
    839,207.15x = 627,778,260,534.11
  5. Step 5: Solve for x
    x = 627,778,260,534.11/839,207.15
  6. Step 6: Final answer
    x = 748,061.15

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1.5x scale

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.