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Finding the Fourth Proportional to 794.34, 1,095.06 and 637.44

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Solution

The fourth proportional to 794.34, 1,095.06 and 637.44 is: 878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.34 : 1,095.06 = 637.44 : x
  2. Step 2: Convert to fraction form
    794.34/1,095.06 = 637.44/x
  3. Step 3: Cross multiply
    794.34x = 1,095.06 × 637.44
  4. Step 4: Simplify right side
    794.34x = 698,035.05
  5. Step 5: Solve for x
    x = 698,035.05/794.34
  6. Step 6: Final answer
    x = 878.76

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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.