Home / 628,723.93-942,556.89-273,470.38

Finding the Fourth Proportional to 628,723.93, 942,556.89 and 273,470.38

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Solution

The fourth proportional to 628,723.93, 942,556.89 and 273,470.38 is: 409,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,723.93 : 942,556.89 = 273,470.38 : x
  2. Step 2: Convert to fraction form
    628,723.93/942,556.89 = 273,470.38/x
  3. Step 3: Cross multiply
    628,723.93x = 942,556.89 × 273,470.38
  4. Step 4: Simplify right side
    628,723.93x = 257,761,390,879.92
  5. Step 5: Solve for x
    x = 257,761,390,879.92/628,723.93
  6. Step 6: Final answer
    x = 409,975.47

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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.