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Finding the Fourth Proportional to 1,604.79, 2,407.17 and 450.54

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Solution

The fourth proportional to 1,604.79, 2,407.17 and 450.54 is: 675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.79 : 2,407.17 = 450.54 : x
  2. Step 2: Convert to fraction form
    1,604.79/2,407.17 = 450.54/x
  3. Step 3: Cross multiply
    1,604.79x = 2,407.17 × 450.54
  4. Step 4: Simplify right side
    1,604.79x = 1,084,526.37
  5. Step 5: Solve for x
    x = 1,084,526.37/1,604.79
  6. Step 6: Final answer
    x = 675.81

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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.