Home / 869,540.43-1,199,964.69-482,414.58

Finding the Fourth Proportional to 869,540.43, 1,199,964.69 and 482,414.58

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Solution

The fourth proportional to 869,540.43, 1,199,964.69 and 482,414.58 is: 665,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,540.43 : 1,199,964.69 = 482,414.58 : x
  2. Step 2: Convert to fraction form
    869,540.43/1,199,964.69 = 482,414.58/x
  3. Step 3: Cross multiply
    869,540.43x = 1,199,964.69 × 482,414.58
  4. Step 4: Simplify right side
    869,540.43x = 578,880,461,941.18
  5. Step 5: Solve for x
    x = 578,880,461,941.18/869,540.43
  6. Step 6: Final answer
    x = 665,731.51

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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.