Home / 955,278.53-1,431,736.81-482,099.21

Finding the Fourth Proportional to 955,278.53, 1,431,736.81 and 482,099.21

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Solution

The fourth proportional to 955,278.53, 1,431,736.81 and 482,099.21 is: 722,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,278.53 : 1,431,736.81 = 482,099.21 : x
  2. Step 2: Convert to fraction form
    955,278.53/1,431,736.81 = 482,099.21/x
  3. Step 3: Cross multiply
    955,278.53x = 1,431,736.81 × 482,099.21
  4. Step 4: Simplify right side
    955,278.53x = 690,239,175,459.74
  5. Step 5: Solve for x
    x = 690,239,175,459.74/955,278.53
  6. Step 6: Final answer
    x = 722,552.80

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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.