Home / 578,082.20-865,082.10-504,015.80

Finding the Fourth Proportional to 578,082.20, 865,082.10 and 504,015.80

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Solution

The fourth proportional to 578,082.20, 865,082.10 and 504,015.80 is: 754,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,082.20 : 865,082.10 = 504,015.80 : x
  2. Step 2: Convert to fraction form
    578,082.20/865,082.10 = 504,015.80/x
  3. Step 3: Cross multiply
    578,082.20x = 865,082.10 × 504,015.80
  4. Step 4: Simplify right side
    578,082.20x = 436,015,046,697.18
  5. Step 5: Solve for x
    x = 436,015,046,697.18/578,082.20
  6. Step 6: Final answer
    x = 754,244.03

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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.