Home / 839,253.92-1,259,005.98-299,468.12

Finding the Fourth Proportional to 839,253.92, 1,259,005.98 and 299,468.12

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Solution

The fourth proportional to 839,253.92, 1,259,005.98 and 299,468.12 is: 449,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,253.92 : 1,259,005.98 = 299,468.12 : x
  2. Step 2: Convert to fraction form
    839,253.92/1,259,005.98 = 299,468.12/x
  3. Step 3: Cross multiply
    839,253.92x = 1,259,005.98 × 299,468.12
  4. Step 4: Simplify right side
    839,253.92x = 377,032,147,604.33
  5. Step 5: Solve for x
    x = 377,032,147,604.33/839,253.92
  6. Step 6: Final answer
    x = 449,246.81

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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.