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Finding the Fourth Proportional to 681.02, 1,019.70 and 593.94

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Solution

The fourth proportional to 681.02, 1,019.70 and 593.94 is: 889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681.02 : 1,019.70 = 593.94 : x
  2. Step 2: Convert to fraction form
    681.02/1,019.70 = 593.94/x
  3. Step 3: Cross multiply
    681.02x = 1,019.70 × 593.94
  4. Step 4: Simplify right side
    681.02x = 605,640.62
  5. Step 5: Solve for x
    x = 605,640.62/681.02
  6. Step 6: Final answer
    x = 889.32

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1.5x scale

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.