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Finding the Fourth Proportional to 477,898.78, 659,495.16 and 263,034.20

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Solution

The fourth proportional to 477,898.78, 659,495.16 and 263,034.20 is: 362,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,898.78 : 659,495.16 = 263,034.20 : x
  2. Step 2: Convert to fraction form
    477,898.78/659,495.16 = 263,034.20/x
  3. Step 3: Cross multiply
    477,898.78x = 659,495.16 × 263,034.20
  4. Step 4: Simplify right side
    477,898.78x = 173,469,778,517.00
  5. Step 5: Solve for x
    x = 173,469,778,517.00/477,898.78
  6. Step 6: Final answer
    x = 362,984.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.