Home / 1,230.88-1,845.35-614.24

Finding the Fourth Proportional to 1,230.88, 1,845.35 and 614.24

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Solution

The fourth proportional to 1,230.88, 1,845.35 and 614.24 is: 920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.88 : 1,845.35 = 614.24 : x
  2. Step 2: Convert to fraction form
    1,230.88/1,845.35 = 614.24/x
  3. Step 3: Cross multiply
    1,230.88x = 1,845.35 × 614.24
  4. Step 4: Simplify right side
    1,230.88x = 1,133,489.33
  5. Step 5: Solve for x
    x = 1,133,489.33/1,230.88
  6. Step 6: Final answer
    x = 920.88

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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.