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Finding the Fourth Proportional to 1,175.01, 1,759.02 and 711.38

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Solution

The fourth proportional to 1,175.01, 1,759.02 and 711.38 is: 1,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.01 : 1,759.02 = 711.38 : x
  2. Step 2: Convert to fraction form
    1,175.01/1,759.02 = 711.38/x
  3. Step 3: Cross multiply
    1,175.01x = 1,759.02 × 711.38
  4. Step 4: Simplify right side
    1,175.01x = 1,251,333.38
  5. Step 5: Solve for x
    x = 1,251,333.38/1,175.01
  6. Step 6: Final answer
    x = 1,064.96

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1.5x scale

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.