Home / 880,082.40-1,320,123.60-215,234.40

Finding the Fourth Proportional to 880,082.40, 1,320,123.60 and 215,234.40

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Solution

The fourth proportional to 880,082.40, 1,320,123.60 and 215,234.40 is: 322,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,082.40 : 1,320,123.60 = 215,234.40 : x
  2. Step 2: Convert to fraction form
    880,082.40/1,320,123.60 = 215,234.40/x
  3. Step 3: Cross multiply
    880,082.40x = 1,320,123.60 × 215,234.40
  4. Step 4: Simplify right side
    880,082.40x = 284,136,010,971.84
  5. Step 5: Solve for x
    x = 284,136,010,971.84/880,082.40
  6. Step 6: Final answer
    x = 322,851.60

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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.