Home / 907,978.45-1,361,964.03-276,890.44

Finding the Fourth Proportional to 907,978.45, 1,361,964.03 and 276,890.44

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Solution

The fourth proportional to 907,978.45, 1,361,964.03 and 276,890.44 is: 415,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,978.45 : 1,361,964.03 = 276,890.44 : x
  2. Step 2: Convert to fraction form
    907,978.45/1,361,964.03 = 276,890.44/x
  3. Step 3: Cross multiply
    907,978.45x = 1,361,964.03 × 276,890.44
  4. Step 4: Simplify right side
    907,978.45x = 377,114,819,530.87
  5. Step 5: Solve for x
    x = 377,114,819,530.87/907,978.45
  6. Step 6: Final answer
    x = 415,334.55

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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.