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Finding the Fourth Proportional to 894.66, 1,341.54 and 617.10

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Solution

The fourth proportional to 894.66, 1,341.54 and 617.10 is: 925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.66 : 1,341.54 = 617.10 : x
  2. Step 2: Convert to fraction form
    894.66/1,341.54 = 617.10/x
  3. Step 3: Cross multiply
    894.66x = 1,341.54 × 617.10
  4. Step 4: Simplify right side
    894.66x = 827,864.33
  5. Step 5: Solve for x
    x = 827,864.33/894.66
  6. Step 6: Final answer
    x = 925.34

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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.