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Finding the Fourth Proportional to 795.32, 1,097.76 and 720.17

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Solution

The fourth proportional to 795.32, 1,097.76 and 720.17 is: 994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.32 : 1,097.76 = 720.17 : x
  2. Step 2: Convert to fraction form
    795.32/1,097.76 = 720.17/x
  3. Step 3: Cross multiply
    795.32x = 1,097.76 × 720.17
  4. Step 4: Simplify right side
    795.32x = 790,573.82
  5. Step 5: Solve for x
    x = 790,573.82/795.32
  6. Step 6: Final answer
    x = 994.03

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1.5x scale

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.