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Finding the Fourth Proportional to 540,082.60, 809,735.10 and 303,497.80

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Solution

The fourth proportional to 540,082.60, 809,735.10 and 303,497.80 is: 455,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,082.60 : 809,735.10 = 303,497.80 : x
  2. Step 2: Convert to fraction form
    540,082.60/809,735.10 = 303,497.80/x
  3. Step 3: Cross multiply
    540,082.60x = 809,735.10 × 303,497.80
  4. Step 4: Simplify right side
    540,082.60x = 245,752,821,432.78
  5. Step 5: Solve for x
    x = 245,752,821,432.78/540,082.60
  6. Step 6: Final answer
    x = 455,028.22

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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.