Home / 773,437.88-1,067,105.02-450,919.76

Finding the Fourth Proportional to 773,437.88, 1,067,105.02 and 450,919.76

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Solution

The fourth proportional to 773,437.88, 1,067,105.02 and 450,919.76 is: 622,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,437.88 : 1,067,105.02 = 450,919.76 : x
  2. Step 2: Convert to fraction form
    773,437.88/1,067,105.02 = 450,919.76/x
  3. Step 3: Cross multiply
    773,437.88x = 1,067,105.02 × 450,919.76
  4. Step 4: Simplify right side
    773,437.88x = 481,178,739,513.20
  5. Step 5: Solve for x
    x = 481,178,739,513.20/773,437.88
  6. Step 6: Final answer
    x = 622,129.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.