Home / 899,135.42-1,348,520.06-330,321.02

Finding the Fourth Proportional to 899,135.42, 1,348,520.06 and 330,321.02

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Solution

The fourth proportional to 899,135.42, 1,348,520.06 and 330,321.02 is: 495,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,135.42 : 1,348,520.06 = 330,321.02 : x
  2. Step 2: Convert to fraction form
    899,135.42/1,348,520.06 = 330,321.02/x
  3. Step 3: Cross multiply
    899,135.42x = 1,348,520.06 × 330,321.02
  4. Step 4: Simplify right side
    899,135.42x = 445,444,521,709.66
  5. Step 5: Solve for x
    x = 445,444,521,709.66/899,135.42
  6. Step 6: Final answer
    x = 495,414.27

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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.