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Finding the Fourth Proportional to 605,380.80, 907,998.30 and 250,357.80

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Solution

The fourth proportional to 605,380.80, 907,998.30 and 250,357.80 is: 375,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,380.80 : 907,998.30 = 250,357.80 : x
  2. Step 2: Convert to fraction form
    605,380.80/907,998.30 = 250,357.80/x
  3. Step 3: Cross multiply
    605,380.80x = 907,998.30 × 250,357.80
  4. Step 4: Simplify right side
    605,380.80x = 227,324,456,791.74
  5. Step 5: Solve for x
    x = 227,324,456,791.74/605,380.80
  6. Step 6: Final answer
    x = 375,506.55

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1.5x scale

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.