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Finding the Fourth Proportional to 464,803.52, 641,428.86 and 263,599.52

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Solution

The fourth proportional to 464,803.52, 641,428.86 and 263,599.52 is: 363,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,803.52 : 641,428.86 = 263,599.52 : x
  2. Step 2: Convert to fraction form
    464,803.52/641,428.86 = 263,599.52/x
  3. Step 3: Cross multiply
    464,803.52x = 641,428.86 × 263,599.52
  4. Step 4: Simplify right side
    464,803.52x = 169,080,339,610.15
  5. Step 5: Solve for x
    x = 169,080,339,610.15/464,803.52
  6. Step 6: Final answer
    x = 363,767.34

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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.