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Finding the Fourth Proportional to 795.87, 1,096.68 and 609.36

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Solution

The fourth proportional to 795.87, 1,096.68 and 609.36 is: 839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.87 : 1,096.68 = 609.36 : x
  2. Step 2: Convert to fraction form
    795.87/1,096.68 = 609.36/x
  3. Step 3: Cross multiply
    795.87x = 1,096.68 × 609.36
  4. Step 4: Simplify right side
    795.87x = 668,272.92
  5. Step 5: Solve for x
    x = 668,272.92/795.87
  6. Step 6: Final answer
    x = 839.68

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Double scale
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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.