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Finding the Fourth Proportional to 880.96, 1,323.60 and 496.48

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Solution

The fourth proportional to 880.96, 1,323.60 and 496.48 is: 745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.96 : 1,323.60 = 496.48 : x
  2. Step 2: Convert to fraction form
    880.96/1,323.60 = 496.48/x
  3. Step 3: Cross multiply
    880.96x = 1,323.60 × 496.48
  4. Step 4: Simplify right side
    880.96x = 657,140.93
  5. Step 5: Solve for x
    x = 657,140.93/880.96
  6. Step 6: Final answer
    x = 745.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.