Home / 839,260.89-1,259,988.80-498,326.85

Finding the Fourth Proportional to 839,260.89, 1,259,988.80 and 498,326.85

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Solution

The fourth proportional to 839,260.89, 1,259,988.80 and 498,326.85 is: 748,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,260.89 : 1,259,988.80 = 498,326.85 : x
  2. Step 2: Convert to fraction form
    839,260.89/1,259,988.80 = 498,326.85/x
  3. Step 3: Cross multiply
    839,260.89x = 1,259,988.80 × 498,326.85
  4. Step 4: Simplify right side
    839,260.89x = 627,886,247,247.65
  5. Step 5: Solve for x
    x = 627,886,247,247.65/839,260.89
  6. Step 6: Final answer
    x = 748,141.91

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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.