Home / 539,180.80-809,427.30-272,804.20

Finding the Fourth Proportional to 539,180.80, 809,427.30 and 272,804.20

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Solution

The fourth proportional to 539,180.80, 809,427.30 and 272,804.20 is: 409,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,180.80 : 809,427.30 = 272,804.20 : x
  2. Step 2: Convert to fraction form
    539,180.80/809,427.30 = 272,804.20/x
  3. Step 3: Cross multiply
    539,180.80x = 809,427.30 × 272,804.20
  4. Step 4: Simplify right side
    539,180.80x = 220,815,167,034.66
  5. Step 5: Solve for x
    x = 220,815,167,034.66/539,180.80
  6. Step 6: Final answer
    x = 409,538.26

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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.