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Finding the Fourth Proportional to 799.35, 1,095.56 and 774.65

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Solution

The fourth proportional to 799.35, 1,095.56 and 774.65 is: 1,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.35 : 1,095.56 = 774.65 : x
  2. Step 2: Convert to fraction form
    799.35/1,095.56 = 774.65/x
  3. Step 3: Cross multiply
    799.35x = 1,095.56 × 774.65
  4. Step 4: Simplify right side
    799.35x = 848,666.20
  5. Step 5: Solve for x
    x = 848,666.20/799.35
  6. Step 6: Final answer
    x = 1,061.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.