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Finding the Fourth Proportional to 540,081.53, 809,934.68 and 300,560.95

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Solution

The fourth proportional to 540,081.53, 809,934.68 and 300,560.95 is: 450,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,081.53 : 809,934.68 = 300,560.95 : x
  2. Step 2: Convert to fraction form
    540,081.53/809,934.68 = 300,560.95/x
  3. Step 3: Cross multiply
    540,081.53x = 809,934.68 × 300,560.95
  4. Step 4: Simplify right side
    540,081.53x = 243,434,733,560.48
  5. Step 5: Solve for x
    x = 243,434,733,560.48/540,081.53
  6. Step 6: Final answer
    x = 450,737.01

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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.