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Finding the Fourth Proportional to 1,263.50, 1,894.88 and 441.62

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Solution

The fourth proportional to 1,263.50, 1,894.88 and 441.62 is: 662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.50 : 1,894.88 = 441.62 : x
  2. Step 2: Convert to fraction form
    1,263.50/1,894.88 = 441.62/x
  3. Step 3: Cross multiply
    1,263.50x = 1,894.88 × 441.62
  4. Step 4: Simplify right side
    1,263.50x = 836,816.91
  5. Step 5: Solve for x
    x = 836,816.91/1,263.50
  6. Step 6: Final answer
    x = 662.30

Related Problems

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Half scale
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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.