Home / 958,287.21-1,436,010.76-388,975.57

Finding the Fourth Proportional to 958,287.21, 1,436,010.76 and 388,975.57

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Solution

The fourth proportional to 958,287.21, 1,436,010.76 and 388,975.57 is: 582,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,287.21 : 1,436,010.76 = 388,975.57 : x
  2. Step 2: Convert to fraction form
    958,287.21/1,436,010.76 = 388,975.57/x
  3. Step 3: Cross multiply
    958,287.21x = 1,436,010.76 × 388,975.57
  4. Step 4: Simplify right side
    958,287.21x = 558,573,100,793.33
  5. Step 5: Solve for x
    x = 558,573,100,793.33/958,287.21
  6. Step 6: Final answer
    x = 582,886.94

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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.