Home / 768,067.02-1,151,743.89-448,311.21

Finding the Fourth Proportional to 768,067.02, 1,151,743.89 and 448,311.21

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Solution

The fourth proportional to 768,067.02, 1,151,743.89 and 448,311.21 is: 672,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,067.02 : 1,151,743.89 = 448,311.21 : x
  2. Step 2: Convert to fraction form
    768,067.02/1,151,743.89 = 448,311.21/x
  3. Step 3: Cross multiply
    768,067.02x = 1,151,743.89 × 448,311.21
  4. Step 4: Simplify right side
    768,067.02x = 516,339,696,936.01
  5. Step 5: Solve for x
    x = 516,339,696,936.01/768,067.02
  6. Step 6: Final answer
    x = 672,258.65

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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.