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Finding the Fourth Proportional to 894.97, 1,335.02 and 880.12

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Solution

The fourth proportional to 894.97, 1,335.02 and 880.12 is: 1,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.97 : 1,335.02 = 880.12 : x
  2. Step 2: Convert to fraction form
    894.97/1,335.02 = 880.12/x
  3. Step 3: Cross multiply
    894.97x = 1,335.02 × 880.12
  4. Step 4: Simplify right side
    894.97x = 1,174,977.80
  5. Step 5: Solve for x
    x = 1,174,977.80/894.97
  6. Step 6: Final answer
    x = 1,312.87

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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.