Home / 627,769.40-940,425.30-377,708.60

Finding the Fourth Proportional to 627,769.40, 940,425.30 and 377,708.60

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Solution

The fourth proportional to 627,769.40, 940,425.30 and 377,708.60 is: 565,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,769.40 : 940,425.30 = 377,708.60 : x
  2. Step 2: Convert to fraction form
    627,769.40/940,425.30 = 377,708.60/x
  3. Step 3: Cross multiply
    627,769.40x = 940,425.30 × 377,708.60
  4. Step 4: Simplify right side
    627,769.40x = 355,206,723,467.58
  5. Step 5: Solve for x
    x = 355,206,723,467.58/627,769.40
  6. Step 6: Final answer
    x = 565,823.57

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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.