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Finding the Fourth Proportional to 539,615.56, 809,426.60 and 240,025.72

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Solution

The fourth proportional to 539,615.56, 809,426.60 and 240,025.72 is: 360,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,615.56 : 809,426.60 = 240,025.72 : x
  2. Step 2: Convert to fraction form
    539,615.56/809,426.60 = 240,025.72/x
  3. Step 3: Cross multiply
    539,615.56x = 809,426.60 × 240,025.72
  4. Step 4: Simplify right side
    539,615.56x = 194,283,202,452.15
  5. Step 5: Solve for x
    x = 194,283,202,452.15/539,615.56
  6. Step 6: Final answer
    x = 360,040.03

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1.5x scale

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.