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Finding the Fourth Proportional to 498,311.10, 746,575.65 and 303,209.10

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Solution

The fourth proportional to 498,311.10, 746,575.65 and 303,209.10 is: 454,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,311.10 : 746,575.65 = 303,209.10 : x
  2. Step 2: Convert to fraction form
    498,311.10/746,575.65 = 303,209.10/x
  3. Step 3: Cross multiply
    498,311.10x = 746,575.65 × 303,209.10
  4. Step 4: Simplify right side
    498,311.10x = 226,368,530,918.42
  5. Step 5: Solve for x
    x = 226,368,530,918.42/498,311.10
  6. Step 6: Final answer
    x = 454,271.50

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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.