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Finding the Fourth Proportional to 794.93, 1,097.69 and 500.72

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Solution

The fourth proportional to 794.93, 1,097.69 and 500.72 is: 691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.93 : 1,097.69 = 500.72 : x
  2. Step 2: Convert to fraction form
    794.93/1,097.69 = 500.72/x
  3. Step 3: Cross multiply
    794.93x = 1,097.69 × 500.72
  4. Step 4: Simplify right side
    794.93x = 549,627.34
  5. Step 5: Solve for x
    x = 549,627.34/794.93
  6. Step 6: Final answer
    x = 691.42

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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.