Home / 627,200.52-940,946.70-206,480.04

Finding the Fourth Proportional to 627,200.52, 940,946.70 and 206,480.04

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Solution

The fourth proportional to 627,200.52, 940,946.70 and 206,480.04 is: 309,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,200.52 : 940,946.70 = 206,480.04 : x
  2. Step 2: Convert to fraction form
    627,200.52/940,946.70 = 206,480.04/x
  3. Step 3: Cross multiply
    627,200.52x = 940,946.70 × 206,480.04
  4. Step 4: Simplify right side
    627,200.52x = 194,286,712,253.87
  5. Step 5: Solve for x
    x = 194,286,712,253.87/627,200.52
  6. Step 6: Final answer
    x = 309,768.10

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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.