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Finding the Fourth Proportional to 924.09, 1,275.23 and 504.44

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Solution

The fourth proportional to 924.09, 1,275.23 and 504.44 is: 696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.09 : 1,275.23 = 504.44 : x
  2. Step 2: Convert to fraction form
    924.09/1,275.23 = 504.44/x
  3. Step 3: Cross multiply
    924.09x = 1,275.23 × 504.44
  4. Step 4: Simplify right side
    924.09x = 643,277.02
  5. Step 5: Solve for x
    x = 643,277.02/924.09
  6. Step 6: Final answer
    x = 696.12

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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.