Home / 762,881.16-1,143,876.78-230,242.44

Finding the Fourth Proportional to 762,881.16, 1,143,876.78 and 230,242.44

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Solution

The fourth proportional to 762,881.16, 1,143,876.78 and 230,242.44 is: 345,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,881.16 : 1,143,876.78 = 230,242.44 : x
  2. Step 2: Convert to fraction form
    762,881.16/1,143,876.78 = 230,242.44/x
  3. Step 3: Cross multiply
    762,881.16x = 1,143,876.78 × 230,242.44
  4. Step 4: Simplify right side
    762,881.16x = 263,368,980,886.54
  5. Step 5: Solve for x
    x = 263,368,980,886.54/762,881.16
  6. Step 6: Final answer
    x = 345,229.37

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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.