Home / 1,230.31-1,845.67-614.44

Finding the Fourth Proportional to 1,230.31, 1,845.67 and 614.44

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Solution

The fourth proportional to 1,230.31, 1,845.67 and 614.44 is: 921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.31 : 1,845.67 = 614.44 : x
  2. Step 2: Convert to fraction form
    1,230.31/1,845.67 = 614.44/x
  3. Step 3: Cross multiply
    1,230.31x = 1,845.67 × 614.44
  4. Step 4: Simplify right side
    1,230.31x = 1,134,053.47
  5. Step 5: Solve for x
    x = 1,134,053.47/1,230.31
  6. Step 6: Final answer
    x = 921.76

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1.5x scale

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.