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Finding the Fourth Proportional to 680.03, 1,018.63 and 597.87

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Solution

The fourth proportional to 680.03, 1,018.63 and 597.87 is: 895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    680.03 : 1,018.63 = 597.87 : x
  2. Step 2: Convert to fraction form
    680.03/1,018.63 = 597.87/x
  3. Step 3: Cross multiply
    680.03x = 1,018.63 × 597.87
  4. Step 4: Simplify right side
    680.03x = 609,008.32
  5. Step 5: Solve for x
    x = 609,008.32/680.03
  6. Step 6: Final answer
    x = 895.56

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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.