Home / 905,872.80-1,357,945.20-337,101.60

Finding the Fourth Proportional to 905,872.80, 1,357,945.20 and 337,101.60

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Solution

The fourth proportional to 905,872.80, 1,357,945.20 and 337,101.60 is: 505,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,872.80 : 1,357,945.20 = 337,101.60 : x
  2. Step 2: Convert to fraction form
    905,872.80/1,357,945.20 = 337,101.60/x
  3. Step 3: Cross multiply
    905,872.80x = 1,357,945.20 × 337,101.60
  4. Step 4: Simplify right side
    905,872.80x = 457,765,499,632.32
  5. Step 5: Solve for x
    x = 457,765,499,632.32/905,872.80
  6. Step 6: Final answer
    x = 505,330.88

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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.