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Finding the Fourth Proportional to 954.03, 1,315.11 and 754.47

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Solution

The fourth proportional to 954.03, 1,315.11 and 754.47 is: 1,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.03 : 1,315.11 = 754.47 : x
  2. Step 2: Convert to fraction form
    954.03/1,315.11 = 754.47/x
  3. Step 3: Cross multiply
    954.03x = 1,315.11 × 754.47
  4. Step 4: Simplify right side
    954.03x = 992,211.04
  5. Step 5: Solve for x
    x = 992,211.04/954.03
  6. Step 6: Final answer
    x = 1,040.02

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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.