Home / 694.24-1,041.34-402.18

Finding the Fourth Proportional to 694.24, 1,041.34 and 402.18

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Solution

The fourth proportional to 694.24, 1,041.34 and 402.18 is: 603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.24 : 1,041.34 = 402.18 : x
  2. Step 2: Convert to fraction form
    694.24/1,041.34 = 402.18/x
  3. Step 3: Cross multiply
    694.24x = 1,041.34 × 402.18
  4. Step 4: Simplify right side
    694.24x = 418,806.12
  5. Step 5: Solve for x
    x = 418,806.12/694.24
  6. Step 6: Final answer
    x = 603.26

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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.