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Finding the Fourth Proportional to 1,470.45, 2,204.97 and 730.11

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Solution

The fourth proportional to 1,470.45, 2,204.97 and 730.11 is: 1,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.45 : 2,204.97 = 730.11 : x
  2. Step 2: Convert to fraction form
    1,470.45/2,204.97 = 730.11/x
  3. Step 3: Cross multiply
    1,470.45x = 2,204.97 × 730.11
  4. Step 4: Simplify right side
    1,470.45x = 1,609,880.28
  5. Step 5: Solve for x
    x = 1,609,880.28/1,470.45
  6. Step 6: Final answer
    x = 1,094.82

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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.