Home / 958,288.21-1,436,012.26-388,976.57

Finding the Fourth Proportional to 958,288.21, 1,436,012.26 and 388,976.57

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Solution

The fourth proportional to 958,288.21, 1,436,012.26 and 388,976.57 is: 582,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,288.21 : 1,436,012.26 = 388,976.57 : x
  2. Step 2: Convert to fraction form
    958,288.21/1,436,012.26 = 388,976.57/x
  3. Step 3: Cross multiply
    958,288.21x = 1,436,012.26 × 388,976.57
  4. Step 4: Simplify right side
    958,288.21x = 558,575,123,372.75
  5. Step 5: Solve for x
    x = 558,575,123,372.75/958,288.21
  6. Step 6: Final answer
    x = 582,888.44

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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.