Home / 839,872.48-1,260,333.60-341,236.48

Finding the Fourth Proportional to 839,872.48, 1,260,333.60 and 341,236.48

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Solution

The fourth proportional to 839,872.48, 1,260,333.60 and 341,236.48 is: 512,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,872.48 : 1,260,333.60 = 341,236.48 : x
  2. Step 2: Convert to fraction form
    839,872.48/1,260,333.60 = 341,236.48/x
  3. Step 3: Cross multiply
    839,872.48x = 1,260,333.60 × 341,236.48
  4. Step 4: Simplify right side
    839,872.48x = 430,071,801,289.73
  5. Step 5: Solve for x
    x = 430,071,801,289.73/839,872.48
  6. Step 6: Final answer
    x = 512,067.98

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1.5x scale

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.