Home / 880,323.39-1,320,241.17-311,629.57

Finding the Fourth Proportional to 880,323.39, 1,320,241.17 and 311,629.57

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Solution

The fourth proportional to 880,323.39, 1,320,241.17 and 311,629.57 is: 467,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,323.39 : 1,320,241.17 = 311,629.57 : x
  2. Step 2: Convert to fraction form
    880,323.39/1,320,241.17 = 311,629.57/x
  3. Step 3: Cross multiply
    880,323.39x = 1,320,241.17 × 311,629.57
  4. Step 4: Simplify right side
    880,323.39x = 411,426,188,103.40
  5. Step 5: Solve for x
    x = 411,426,188,103.40/880,323.39
  6. Step 6: Final answer
    x = 467,358.01

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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.