Home / 1,230.27-1,845.57-450.16

Finding the Fourth Proportional to 1,230.27, 1,845.57 and 450.16

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Solution

The fourth proportional to 1,230.27, 1,845.57 and 450.16 is: 675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.27 : 1,845.57 = 450.16 : x
  2. Step 2: Convert to fraction form
    1,230.27/1,845.57 = 450.16/x
  3. Step 3: Cross multiply
    1,230.27x = 1,845.57 × 450.16
  4. Step 4: Simplify right side
    1,230.27x = 830,801.79
  5. Step 5: Solve for x
    x = 830,801.79/1,230.27
  6. Step 6: Final answer
    x = 675.30

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Double scale
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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.