Home / 769,387.84-1,154,080.21-722,568.23

Finding the Fourth Proportional to 769,387.84, 1,154,080.21 and 722,568.23

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Solution

The fourth proportional to 769,387.84, 1,154,080.21 and 722,568.23 is: 1,083,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,387.84 : 1,154,080.21 = 722,568.23 : x
  2. Step 2: Convert to fraction form
    769,387.84/1,154,080.21 = 722,568.23/x
  3. Step 3: Cross multiply
    769,387.84x = 1,154,080.21 × 722,568.23
  4. Step 4: Simplify right side
    769,387.84x = 833,901,688,847.33
  5. Step 5: Solve for x
    x = 833,901,688,847.33/769,387.84
  6. Step 6: Final answer
    x = 1,083,850.88

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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.