Home / 539,977.94-809,955.96-140,609.87

Finding the Fourth Proportional to 539,977.94, 809,955.96 and 140,609.87

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Solution

The fourth proportional to 539,977.94, 809,955.96 and 140,609.87 is: 210,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,977.94 : 809,955.96 = 140,609.87 : x
  2. Step 2: Convert to fraction form
    539,977.94/809,955.96 = 140,609.87/x
  3. Step 3: Cross multiply
    539,977.94x = 809,955.96 × 140,609.87
  4. Step 4: Simplify right side
    539,977.94x = 113,887,798,191.55
  5. Step 5: Solve for x
    x = 113,887,798,191.55/539,977.94
  6. Step 6: Final answer
    x = 210,911.95

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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.