Home / 839,210.15-1,259,912.82-498,275.97

Finding the Fourth Proportional to 839,210.15, 1,259,912.82 and 498,275.97

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Solution

The fourth proportional to 839,210.15, 1,259,912.82 and 498,275.97 is: 748,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,210.15 : 1,259,912.82 = 498,275.97 : x
  2. Step 2: Convert to fraction form
    839,210.15/1,259,912.82 = 498,275.97/x
  3. Step 3: Cross multiply
    839,210.15x = 1,259,912.82 × 498,275.97
  4. Step 4: Simplify right side
    839,210.15x = 627,784,282,500.94
  5. Step 5: Solve for x
    x = 627,784,282,500.94/839,210.15
  6. Step 6: Final answer
    x = 748,065.65

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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.