Home / 827,268.80-1,240,903.20-543,833.60

Finding the Fourth Proportional to 827,268.80, 1,240,903.20 and 543,833.60

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Solution

The fourth proportional to 827,268.80, 1,240,903.20 and 543,833.60 is: 815,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,268.80 : 1,240,903.20 = 543,833.60 : x
  2. Step 2: Convert to fraction form
    827,268.80/1,240,903.20 = 543,833.60/x
  3. Step 3: Cross multiply
    827,268.80x = 1,240,903.20 × 543,833.60
  4. Step 4: Simplify right side
    827,268.80x = 674,844,854,507.52
  5. Step 5: Solve for x
    x = 674,844,854,507.52/827,268.80
  6. Step 6: Final answer
    x = 815,750.40

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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.