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Finding the Fourth Proportional to 486,004.20, 727,694.10 and 486,004.20

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Solution

The fourth proportional to 486,004.20, 727,694.10 and 486,004.20 is: 727,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,004.20 : 727,694.10 = 486,004.20 : x
  2. Step 2: Convert to fraction form
    486,004.20/727,694.10 = 486,004.20/x
  3. Step 3: Cross multiply
    486,004.20x = 727,694.10 × 486,004.20
  4. Step 4: Simplify right side
    486,004.20x = 353,662,388,915.22
  5. Step 5: Solve for x
    x = 353,662,388,915.22/486,004.20
  6. Step 6: Final answer
    x = 727,694.10

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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.