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Finding the Fourth Proportional to 627,678, 941,931.72 and 295,279.92

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Solution

The fourth proportional to 627,678, 941,931.72 and 295,279.92 is: 443,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,678 : 941,931.72 = 295,279.92 : x
  2. Step 2: Convert to fraction form
    627,678/941,931.72 = 295,279.92/x
  3. Step 3: Cross multiply
    627,678x = 941,931.72 × 295,279.92
  4. Step 4: Simplify right side
    627,678x = 278,133,522,927.06
  5. Step 5: Solve for x
    x = 278,133,522,927.06/627,678
  6. Step 6: Final answer
    x = 443,114.98

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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.