Home / 439,458.44-658,505.80-304,785.20

Finding the Fourth Proportional to 439,458.44, 658,505.80 and 304,785.20

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Solution

The fourth proportional to 439,458.44, 658,505.80 and 304,785.20 is: 456,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,458.44 : 658,505.80 = 304,785.20 : x
  2. Step 2: Convert to fraction form
    439,458.44/658,505.80 = 304,785.20/x
  3. Step 3: Cross multiply
    439,458.44x = 658,505.80 × 304,785.20
  4. Step 4: Simplify right side
    439,458.44x = 200,702,821,954.16
  5. Step 5: Solve for x
    x = 200,702,821,954.16/439,458.44
  6. Step 6: Final answer
    x = 456,704.90

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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.