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Finding the Fourth Proportional to 1,117.69, 1,676.04 and 597.57

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Solution

The fourth proportional to 1,117.69, 1,676.04 and 597.57 is: 896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.69 : 1,676.04 = 597.57 : x
  2. Step 2: Convert to fraction form
    1,117.69/1,676.04 = 597.57/x
  3. Step 3: Cross multiply
    1,117.69x = 1,676.04 × 597.57
  4. Step 4: Simplify right side
    1,117.69x = 1,001,551.22
  5. Step 5: Solve for x
    x = 1,001,551.22/1,117.69
  6. Step 6: Final answer
    x = 896.09

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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.