Home / 726,810.60-1,091,382.30-549,517.80

Finding the Fourth Proportional to 726,810.60, 1,091,382.30 and 549,517.80

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Solution

The fourth proportional to 726,810.60, 1,091,382.30 and 549,517.80 is: 825,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,810.60 : 1,091,382.30 = 549,517.80 : x
  2. Step 2: Convert to fraction form
    726,810.60/1,091,382.30 = 549,517.80/x
  3. Step 3: Cross multiply
    726,810.60x = 1,091,382.30 × 549,517.80
  4. Step 4: Simplify right side
    726,810.60x = 599,734,000,454.94
  5. Step 5: Solve for x
    x = 599,734,000,454.94/726,810.60
  6. Step 6: Final answer
    x = 825,158.58

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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.