Home / 648,449.78-972,805.89-227,758.46

Finding the Fourth Proportional to 648,449.78, 972,805.89 and 227,758.46

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Solution

The fourth proportional to 648,449.78, 972,805.89 and 227,758.46 is: 341,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,449.78 : 972,805.89 = 227,758.46 : x
  2. Step 2: Convert to fraction form
    648,449.78/972,805.89 = 227,758.46/x
  3. Step 3: Cross multiply
    648,449.78x = 972,805.89 × 227,758.46
  4. Step 4: Simplify right side
    648,449.78x = 221,564,771,385.33
  5. Step 5: Solve for x
    x = 221,564,771,385.33/648,449.78
  6. Step 6: Final answer
    x = 341,683.78

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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.