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Finding the Fourth Proportional to 482,324.64, 723,794.76 and 340,082.16

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Solution

The fourth proportional to 482,324.64, 723,794.76 and 340,082.16 is: 510,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,324.64 : 723,794.76 = 340,082.16 : x
  2. Step 2: Convert to fraction form
    482,324.64/723,794.76 = 340,082.16/x
  3. Step 3: Cross multiply
    482,324.64x = 723,794.76 × 340,082.16
  4. Step 4: Simplify right side
    482,324.64x = 246,149,685,377.48
  5. Step 5: Solve for x
    x = 246,149,685,377.48/482,324.64
  6. Step 6: Final answer
    x = 510,340.27

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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.