Home / 773,620.88-1,155,136.84-693,139.28

Finding the Fourth Proportional to 773,620.88, 1,155,136.84 and 693,139.28

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Solution

The fourth proportional to 773,620.88, 1,155,136.84 and 693,139.28 is: 1,034,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,620.88 : 1,155,136.84 = 693,139.28 : x
  2. Step 2: Convert to fraction form
    773,620.88/1,155,136.84 = 693,139.28/x
  3. Step 3: Cross multiply
    773,620.88x = 1,155,136.84 × 693,139.28
  4. Step 4: Simplify right side
    773,620.88x = 800,670,717,579.08
  5. Step 5: Solve for x
    x = 800,670,717,579.08/773,620.88
  6. Step 6: Final answer
    x = 1,034,965.24

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.