Home / 648,447.28-972,802.14-227,755.96

Finding the Fourth Proportional to 648,447.28, 972,802.14 and 227,755.96

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Solution

The fourth proportional to 648,447.28, 972,802.14 and 227,755.96 is: 341,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,447.28 : 972,802.14 = 227,755.96 : x
  2. Step 2: Convert to fraction form
    648,447.28/972,802.14 = 227,755.96/x
  3. Step 3: Cross multiply
    648,447.28x = 972,802.14 × 227,755.96
  4. Step 4: Simplify right side
    648,447.28x = 221,561,485,285.75
  5. Step 5: Solve for x
    x = 221,561,485,285.75/648,447.28
  6. Step 6: Final answer
    x = 341,680.03

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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.