Home / 648,448.78-972,804.39-227,757.46

Finding the Fourth Proportional to 648,448.78, 972,804.39 and 227,757.46

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Solution

The fourth proportional to 648,448.78, 972,804.39 and 227,757.46 is: 341,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,448.78 : 972,804.39 = 227,757.46 : x
  2. Step 2: Convert to fraction form
    648,448.78/972,804.39 = 227,757.46/x
  3. Step 3: Cross multiply
    648,448.78x = 972,804.39 × 227,757.46
  4. Step 4: Simplify right side
    648,448.78x = 221,563,456,943.25
  5. Step 5: Solve for x
    x = 221,563,456,943.25/648,448.78
  6. Step 6: Final answer
    x = 341,682.28

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1.5x scale

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.