Home / 558,522.87-770,769.45-303,874.26

Finding the Fourth Proportional to 558,522.87, 770,769.45 and 303,874.26

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Solution

The fourth proportional to 558,522.87, 770,769.45 and 303,874.26 is: 419,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,522.87 : 770,769.45 = 303,874.26 : x
  2. Step 2: Convert to fraction form
    558,522.87/770,769.45 = 303,874.26/x
  3. Step 3: Cross multiply
    558,522.87x = 770,769.45 × 303,874.26
  4. Step 4: Simplify right side
    558,522.87x = 234,216,996,249.36
  5. Step 5: Solve for x
    x = 234,216,996,249.36/558,522.87
  6. Step 6: Final answer
    x = 419,350.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.