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Finding the Fourth Proportional to 648,265.98, 894,697.22 and 361,804.52

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Solution

The fourth proportional to 648,265.98, 894,697.22 and 361,804.52 is: 499,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,265.98 : 894,697.22 = 361,804.52 : x
  2. Step 2: Convert to fraction form
    648,265.98/894,697.22 = 361,804.52/x
  3. Step 3: Cross multiply
    648,265.98x = 894,697.22 × 361,804.52
  4. Step 4: Simplify right side
    648,265.98x = 323,705,498,227.43
  5. Step 5: Solve for x
    x = 323,705,498,227.43/648,265.98
  6. Step 6: Final answer
    x = 499,340.56

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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.