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Finding the Fourth Proportional to 1,232.70, 1,848.85 and 410.89

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Solution

The fourth proportional to 1,232.70, 1,848.85 and 410.89 is: 616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.70 : 1,848.85 = 410.89 : x
  2. Step 2: Convert to fraction form
    1,232.70/1,848.85 = 410.89/x
  3. Step 3: Cross multiply
    1,232.70x = 1,848.85 × 410.89
  4. Step 4: Simplify right side
    1,232.70x = 759,668.33
  5. Step 5: Solve for x
    x = 759,668.33/1,232.70
  6. Step 6: Final answer
    x = 616.26

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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.