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Finding the Fourth Proportional to 633,329.82, 949,892.67 and 278,277.66

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Solution

The fourth proportional to 633,329.82, 949,892.67 and 278,277.66 is: 417,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,329.82 : 949,892.67 = 278,277.66 : x
  2. Step 2: Convert to fraction form
    633,329.82/949,892.67 = 278,277.66/x
  3. Step 3: Cross multiply
    633,329.82x = 949,892.67 × 278,277.66
  4. Step 4: Simplify right side
    633,329.82x = 264,333,909,458.75
  5. Step 5: Solve for x
    x = 264,333,909,458.75/633,329.82
  6. Step 6: Final answer
    x = 417,371.65

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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.