Home / 880,167.80-1,320,251.70-215,319.80

Finding the Fourth Proportional to 880,167.80, 1,320,251.70 and 215,319.80

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Solution

The fourth proportional to 880,167.80, 1,320,251.70 and 215,319.80 is: 322,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,167.80 : 1,320,251.70 = 215,319.80 : x
  2. Step 2: Convert to fraction form
    880,167.80/1,320,251.70 = 215,319.80/x
  3. Step 3: Cross multiply
    880,167.80x = 1,320,251.70 × 215,319.80
  4. Step 4: Simplify right side
    880,167.80x = 284,276,331,993.66
  5. Step 5: Solve for x
    x = 284,276,331,993.66/880,167.80
  6. Step 6: Final answer
    x = 322,979.70

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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.