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Finding the Fourth Proportional to 755.99, 1,043.03 and 460.95

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Solution

The fourth proportional to 755.99, 1,043.03 and 460.95 is: 635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.99 : 1,043.03 = 460.95 : x
  2. Step 2: Convert to fraction form
    755.99/1,043.03 = 460.95/x
  3. Step 3: Cross multiply
    755.99x = 1,043.03 × 460.95
  4. Step 4: Simplify right side
    755.99x = 480,782.37
  5. Step 5: Solve for x
    x = 480,782.37/755.99
  6. Step 6: Final answer
    x = 635.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.