Home / 727,911.81-1,004,522.22-422,169.39

Finding the Fourth Proportional to 727,911.81, 1,004,522.22 and 422,169.39

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Solution

The fourth proportional to 727,911.81, 1,004,522.22 and 422,169.39 is: 582,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,911.81 : 1,004,522.22 = 422,169.39 : x
  2. Step 2: Convert to fraction form
    727,911.81/1,004,522.22 = 422,169.39/x
  3. Step 3: Cross multiply
    727,911.81x = 1,004,522.22 × 422,169.39
  4. Step 4: Simplify right side
    727,911.81x = 424,078,532,858.85
  5. Step 5: Solve for x
    x = 424,078,532,858.85/727,911.81
  6. Step 6: Final answer
    x = 582,596.03

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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.