Home / 803,868.90-1,205,171.84-550,382.61

Finding the Fourth Proportional to 803,868.90, 1,205,171.84 and 550,382.61

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Solution

The fourth proportional to 803,868.90, 1,205,171.84 and 550,382.61 is: 825,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,868.90 : 1,205,171.84 = 550,382.61 : x
  2. Step 2: Convert to fraction form
    803,868.90/1,205,171.84 = 550,382.61/x
  3. Step 3: Cross multiply
    803,868.90x = 1,205,171.84 × 550,382.61
  4. Step 4: Simplify right side
    803,868.90x = 663,305,622,797.70
  5. Step 5: Solve for x
    x = 663,305,622,797.70/803,868.90
  6. Step 6: Final answer
    x = 825,141.54

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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.