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Finding the Fourth Proportional to 924.03, 1,273.10 and 628.79

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Solution

The fourth proportional to 924.03, 1,273.10 and 628.79 is: 866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.03 : 1,273.10 = 628.79 : x
  2. Step 2: Convert to fraction form
    924.03/1,273.10 = 628.79/x
  3. Step 3: Cross multiply
    924.03x = 1,273.10 × 628.79
  4. Step 4: Simplify right side
    924.03x = 800,503.04
  5. Step 5: Solve for x
    x = 800,503.04/924.03
  6. Step 6: Final answer
    x = 866.32

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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.