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Finding the Fourth Proportional to 713.35, 999.50 and 713.35

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Solution

The fourth proportional to 713.35, 999.50 and 713.35 is: 999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.35 : 999.50 = 713.35 : x
  2. Step 2: Convert to fraction form
    713.35/999.50 = 713.35/x
  3. Step 3: Cross multiply
    713.35x = 999.50 × 713.35
  4. Step 4: Simplify right side
    713.35x = 712,993.33
  5. Step 5: Solve for x
    x = 712,993.33/713.35
  6. Step 6: Final answer
    x = 999.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.