Home / 869,537.31-1,199,960.39-482,411.44

Finding the Fourth Proportional to 869,537.31, 1,199,960.39 and 482,411.44

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Solution

The fourth proportional to 869,537.31, 1,199,960.39 and 482,411.44 is: 665,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,537.31 : 1,199,960.39 = 482,411.44 : x
  2. Step 2: Convert to fraction form
    869,537.31/1,199,960.39 = 482,411.44/x
  3. Step 3: Cross multiply
    869,537.31x = 1,199,960.39 × 482,411.44
  4. Step 4: Simplify right side
    869,537.31x = 578,874,619,682.86
  5. Step 5: Solve for x
    x = 578,874,619,682.86/869,537.31
  6. Step 6: Final answer
    x = 665,727.18

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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.