Home / 880,164.40-1,320,246.60-215,316.40

Finding the Fourth Proportional to 880,164.40, 1,320,246.60 and 215,316.40

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Solution

The fourth proportional to 880,164.40, 1,320,246.60 and 215,316.40 is: 322,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,164.40 : 1,320,246.60 = 215,316.40 : x
  2. Step 2: Convert to fraction form
    880,164.40/1,320,246.60 = 215,316.40/x
  3. Step 3: Cross multiply
    880,164.40x = 1,320,246.60 × 215,316.40
  4. Step 4: Simplify right side
    880,164.40x = 284,270,745,024.24
  5. Step 5: Solve for x
    x = 284,270,745,024.24/880,164.40
  6. Step 6: Final answer
    x = 322,974.60

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Similar ratio
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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.