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Finding the Fourth Proportional to 679.46, 1,014.26 and 597.45

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Solution

The fourth proportional to 679.46, 1,014.26 and 597.45 is: 891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    679.46 : 1,014.26 = 597.45 : x
  2. Step 2: Convert to fraction form
    679.46/1,014.26 = 597.45/x
  3. Step 3: Cross multiply
    679.46x = 1,014.26 × 597.45
  4. Step 4: Simplify right side
    679.46x = 605,969.64
  5. Step 5: Solve for x
    x = 605,969.64/679.46
  6. Step 6: Final answer
    x = 891.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.