Home / 839,029.68-1,257,701.81-269,992.57

Finding the Fourth Proportional to 839,029.68, 1,257,701.81 and 269,992.57

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Solution

The fourth proportional to 839,029.68, 1,257,701.81 and 269,992.57 is: 404,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,029.68 : 1,257,701.81 = 269,992.57 : x
  2. Step 2: Convert to fraction form
    839,029.68/1,257,701.81 = 269,992.57/x
  3. Step 3: Cross multiply
    839,029.68x = 1,257,701.81 × 269,992.57
  4. Step 4: Simplify right side
    839,029.68x = 339,570,143,975.55
  5. Step 5: Solve for x
    x = 339,570,143,975.55/839,029.68
  6. Step 6: Final answer
    x = 404,717.68

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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.