Home / 909,230.56-1,363,796.40-278,144.37

Finding the Fourth Proportional to 909,230.56, 1,363,796.40 and 278,144.37

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Solution

The fourth proportional to 909,230.56, 1,363,796.40 and 278,144.37 is: 417,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,230.56 : 1,363,796.40 = 278,144.37 : x
  2. Step 2: Convert to fraction form
    909,230.56/1,363,796.40 = 278,144.37/x
  3. Step 3: Cross multiply
    909,230.56x = 1,363,796.40 × 278,144.37
  4. Step 4: Simplify right side
    909,230.56x = 379,332,285,686.06
  5. Step 5: Solve for x
    x = 379,332,285,686.06/909,230.56
  6. Step 6: Final answer
    x = 417,201.43

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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.