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Finding the Fourth Proportional to 794.95, 1,097.09 and 463.30

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Solution

The fourth proportional to 794.95, 1,097.09 and 463.30 is: 639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.95 : 1,097.09 = 463.30 : x
  2. Step 2: Convert to fraction form
    794.95/1,097.09 = 463.30/x
  3. Step 3: Cross multiply
    794.95x = 1,097.09 × 463.30
  4. Step 4: Simplify right side
    794.95x = 508,284.65
  5. Step 5: Solve for x
    x = 508,284.65/794.95
  6. Step 6: Final answer
    x = 639.39

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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.