Home / 756,013.34-1,134,028.38-323,672.60

Finding the Fourth Proportional to 756,013.34, 1,134,028.38 and 323,672.60

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Solution

The fourth proportional to 756,013.34, 1,134,028.38 and 323,672.60 is: 485,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,013.34 : 1,134,028.38 = 323,672.60 : x
  2. Step 2: Convert to fraction form
    756,013.34/1,134,028.38 = 323,672.60/x
  3. Step 3: Cross multiply
    756,013.34x = 1,134,028.38 × 323,672.60
  4. Step 4: Simplify right side
    756,013.34x = 367,053,914,228.39
  5. Step 5: Solve for x
    x = 367,053,914,228.39/756,013.34
  6. Step 6: Final answer
    x = 485,512.48

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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.