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Finding the Fourth Proportional to 975.98, 1,462.62 and 700.85

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Solution

The fourth proportional to 975.98, 1,462.62 and 700.85 is: 1,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.98 : 1,462.62 = 700.85 : x
  2. Step 2: Convert to fraction form
    975.98/1,462.62 = 700.85/x
  3. Step 3: Cross multiply
    975.98x = 1,462.62 × 700.85
  4. Step 4: Simplify right side
    975.98x = 1,025,077.23
  5. Step 5: Solve for x
    x = 1,025,077.23/975.98
  6. Step 6: Final answer
    x = 1,050.31

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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.