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Finding the Fourth Proportional to 718.92, 995.87 and 704.34

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Solution

The fourth proportional to 718.92, 995.87 and 704.34 is: 975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    718.92 : 995.87 = 704.34 : x
  2. Step 2: Convert to fraction form
    718.92/995.87 = 704.34/x
  3. Step 3: Cross multiply
    718.92x = 995.87 × 704.34
  4. Step 4: Simplify right side
    718.92x = 701,427.55
  5. Step 5: Solve for x
    x = 701,427.55/718.92
  6. Step 6: Final answer
    x = 975.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.