Home / 672,079.80-1,008,119.70-251,268.60

Finding the Fourth Proportional to 672,079.80, 1,008,119.70 and 251,268.60

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Solution

The fourth proportional to 672,079.80, 1,008,119.70 and 251,268.60 is: 376,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,079.80 : 1,008,119.70 = 251,268.60 : x
  2. Step 2: Convert to fraction form
    672,079.80/1,008,119.70 = 251,268.60/x
  3. Step 3: Cross multiply
    672,079.80x = 1,008,119.70 × 251,268.60
  4. Step 4: Simplify right side
    672,079.80x = 253,308,825,651.42
  5. Step 5: Solve for x
    x = 253,308,825,651.42/672,079.80
  6. Step 6: Final answer
    x = 376,902.90

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Similar ratio
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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.