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Finding the Fourth Proportional to 1,243.03, 1,864.55 and 593.62

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Solution

The fourth proportional to 1,243.03, 1,864.55 and 593.62 is: 890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243.03 : 1,864.55 = 593.62 : x
  2. Step 2: Convert to fraction form
    1,243.03/1,864.55 = 593.62/x
  3. Step 3: Cross multiply
    1,243.03x = 1,864.55 × 593.62
  4. Step 4: Simplify right side
    1,243.03x = 1,106,834.17
  5. Step 5: Solve for x
    x = 1,106,834.17/1,243.03
  6. Step 6: Final answer
    x = 890.43

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Double scale
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Similar ratio
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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.