Home / 803,868.41-1,205,171.09-550,382.12

Finding the Fourth Proportional to 803,868.41, 1,205,171.09 and 550,382.12

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Solution

The fourth proportional to 803,868.41, 1,205,171.09 and 550,382.12 is: 825,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,868.41 : 1,205,171.09 = 550,382.12 : x
  2. Step 2: Convert to fraction form
    803,868.41/1,205,171.09 = 550,382.12/x
  3. Step 3: Cross multiply
    803,868.41x = 1,205,171.09 × 550,382.12
  4. Step 4: Simplify right side
    803,868.41x = 663,304,613,451.06
  5. Step 5: Solve for x
    x = 663,304,613,451.06/803,868.41
  6. Step 6: Final answer
    x = 825,140.79

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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.