Home / 949,989.72-1,425,078.18-276,076.92

Finding the Fourth Proportional to 949,989.72, 1,425,078.18 and 276,076.92

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Solution

The fourth proportional to 949,989.72, 1,425,078.18 and 276,076.92 is: 414,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,989.72 : 1,425,078.18 = 276,076.92 : x
  2. Step 2: Convert to fraction form
    949,989.72/1,425,078.18 = 276,076.92/x
  3. Step 3: Cross multiply
    949,989.72x = 1,425,078.18 × 276,076.92
  4. Step 4: Simplify right side
    949,989.72x = 393,431,194,693.61
  5. Step 5: Solve for x
    x = 393,431,194,693.61/949,989.72
  6. Step 6: Final answer
    x = 414,142.58

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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.