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Finding the Fourth Proportional to 922.82, 1,273.52 and 503.19

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Solution

The fourth proportional to 922.82, 1,273.52 and 503.19 is: 694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.82 : 1,273.52 = 503.19 : x
  2. Step 2: Convert to fraction form
    922.82/1,273.52 = 503.19/x
  3. Step 3: Cross multiply
    922.82x = 1,273.52 × 503.19
  4. Step 4: Simplify right side
    922.82x = 640,820.01
  5. Step 5: Solve for x
    x = 640,820.01/922.82
  6. Step 6: Final answer
    x = 694.42

Related Problems

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Half scale
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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.