Home / 777,402.74-1,072,449.24-454,915.02

Finding the Fourth Proportional to 777,402.74, 1,072,449.24 and 454,915.02

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Solution

The fourth proportional to 777,402.74, 1,072,449.24 and 454,915.02 is: 627,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,402.74 : 1,072,449.24 = 454,915.02 : x
  2. Step 2: Convert to fraction form
    777,402.74/1,072,449.24 = 454,915.02/x
  3. Step 3: Cross multiply
    777,402.74x = 1,072,449.24 × 454,915.02
  4. Step 4: Simplify right side
    777,402.74x = 487,873,267,463.59
  5. Step 5: Solve for x
    x = 487,873,267,463.59/777,402.74
  6. Step 6: Final answer
    x = 627,568.24

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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.