Home / 688.03-1,032.42-534.26

Finding the Fourth Proportional to 688.03, 1,032.42 and 534.26

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Solution

The fourth proportional to 688.03, 1,032.42 and 534.26 is: 801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    688.03 : 1,032.42 = 534.26 : x
  2. Step 2: Convert to fraction form
    688.03/1,032.42 = 534.26/x
  3. Step 3: Cross multiply
    688.03x = 1,032.42 × 534.26
  4. Step 4: Simplify right side
    688.03x = 551,585.29
  5. Step 5: Solve for x
    x = 551,585.29/688.03
  6. Step 6: Final answer
    x = 801.69

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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.