Home / 909,230.53-1,363,796.35-278,144.34

Finding the Fourth Proportional to 909,230.53, 1,363,796.35 and 278,144.34

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Solution

The fourth proportional to 909,230.53, 1,363,796.35 and 278,144.34 is: 417,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,230.53 : 1,363,796.35 = 278,144.34 : x
  2. Step 2: Convert to fraction form
    909,230.53/1,363,796.35 = 278,144.34/x
  3. Step 3: Cross multiply
    909,230.53x = 1,363,796.35 × 278,144.34
  4. Step 4: Simplify right side
    909,230.53x = 379,332,234,274.44
  5. Step 5: Solve for x
    x = 379,332,234,274.44/909,230.53
  6. Step 6: Final answer
    x = 417,201.38

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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.