Home / 953,221.20-1,430,028.66-279,324.48

Finding the Fourth Proportional to 953,221.20, 1,430,028.66 and 279,324.48

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Solution

The fourth proportional to 953,221.20, 1,430,028.66 and 279,324.48 is: 419,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,221.20 : 1,430,028.66 = 279,324.48 : x
  2. Step 2: Convert to fraction form
    953,221.20/1,430,028.66 = 279,324.48/x
  3. Step 3: Cross multiply
    953,221.20x = 1,430,028.66 × 279,324.48
  4. Step 4: Simplify right side
    953,221.20x = 399,442,011,839.60
  5. Step 5: Solve for x
    x = 399,442,011,839.60/953,221.20
  6. Step 6: Final answer
    x = 419,044.41

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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.