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Finding the Fourth Proportional to 627,680, 941,934.72 and 295,281.92

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Solution

The fourth proportional to 627,680, 941,934.72 and 295,281.92 is: 443,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,680 : 941,934.72 = 295,281.92 : x
  2. Step 2: Convert to fraction form
    627,680/941,934.72 = 295,281.92/x
  3. Step 3: Cross multiply
    627,680x = 941,934.72 × 295,281.92
  4. Step 4: Simplify right side
    627,680x = 278,136,292,636.26
  5. Step 5: Solve for x
    x = 278,136,292,636.26/627,680
  6. Step 6: Final answer
    x = 443,117.98

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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.