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Finding the Fourth Proportional to 704.84, 1,062.02 and 585.78

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Solution

The fourth proportional to 704.84, 1,062.02 and 585.78 is: 882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.84 : 1,062.02 = 585.78 : x
  2. Step 2: Convert to fraction form
    704.84/1,062.02 = 585.78/x
  3. Step 3: Cross multiply
    704.84x = 1,062.02 × 585.78
  4. Step 4: Simplify right side
    704.84x = 622,110.08
  5. Step 5: Solve for x
    x = 622,110.08/704.84
  6. Step 6: Final answer
    x = 882.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.