Home / 539,275.20-809,085.60-361,982.40

Finding the Fourth Proportional to 539,275.20, 809,085.60 and 361,982.40

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Solution

The fourth proportional to 539,275.20, 809,085.60 and 361,982.40 is: 543,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,275.20 : 809,085.60 = 361,982.40 : x
  2. Step 2: Convert to fraction form
    539,275.20/809,085.60 = 361,982.40/x
  3. Step 3: Cross multiply
    539,275.20x = 809,085.60 × 361,982.40
  4. Step 4: Simplify right side
    539,275.20x = 292,874,747,293.44
  5. Step 5: Solve for x
    x = 292,874,747,293.44/539,275.20
  6. Step 6: Final answer
    x = 543,089.59

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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.