Home / 437,857.48-655,802.04-266,615.38

Finding the Fourth Proportional to 437,857.48, 655,802.04 and 266,615.38

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Solution

The fourth proportional to 437,857.48, 655,802.04 and 266,615.38 is: 399,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,857.48 : 655,802.04 = 266,615.38 : x
  2. Step 2: Convert to fraction form
    437,857.48/655,802.04 = 266,615.38/x
  3. Step 3: Cross multiply
    437,857.48x = 655,802.04 × 266,615.38
  4. Step 4: Simplify right side
    437,857.48x = 174,846,910,099.38
  5. Step 5: Solve for x
    x = 174,846,910,099.38/437,857.48
  6. Step 6: Final answer
    x = 399,323.79

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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.