Home / 415,299.75-622,044.81-272,984.37

Finding the Fourth Proportional to 415,299.75, 622,044.81 and 272,984.37

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Solution

The fourth proportional to 415,299.75, 622,044.81 and 272,984.37 is: 408,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,299.75 : 622,044.81 = 272,984.37 : x
  2. Step 2: Convert to fraction form
    415,299.75/622,044.81 = 272,984.37/x
  3. Step 3: Cross multiply
    415,299.75x = 622,044.81 × 272,984.37
  4. Step 4: Simplify right side
    415,299.75x = 169,808,510,569.62
  5. Step 5: Solve for x
    x = 169,808,510,569.62/415,299.75
  6. Step 6: Final answer
    x = 408,881.80

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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.