Home / 627,400.27-940,329.49-289,984.44

Finding the Fourth Proportional to 627,400.27, 940,329.49 and 289,984.44

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Solution

The fourth proportional to 627,400.27, 940,329.49 and 289,984.44 is: 434,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,400.27 : 940,329.49 = 289,984.44 : x
  2. Step 2: Convert to fraction form
    627,400.27/940,329.49 = 289,984.44/x
  3. Step 3: Cross multiply
    627,400.27x = 940,329.49 × 289,984.44
  4. Step 4: Simplify right side
    627,400.27x = 272,680,920,573.14
  5. Step 5: Solve for x
    x = 272,680,920,573.14/627,400.27
  6. Step 6: Final answer
    x = 434,620.34

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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.