Home / 500,072.41-690,102.13-270,629.73

Finding the Fourth Proportional to 500,072.41, 690,102.13 and 270,629.73

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Solution

The fourth proportional to 500,072.41, 690,102.13 and 270,629.73 is: 373,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,072.41 : 690,102.13 = 270,629.73 : x
  2. Step 2: Convert to fraction form
    500,072.41/690,102.13 = 270,629.73/x
  3. Step 3: Cross multiply
    500,072.41x = 690,102.13 × 270,629.73
  4. Step 4: Simplify right side
    500,072.41x = 186,762,153,114.33
  5. Step 5: Solve for x
    x = 186,762,153,114.33/500,072.41
  6. Step 6: Final answer
    x = 373,470.22

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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.