Home / 839,401.68-1,259,348.64-270,771.36

Finding the Fourth Proportional to 839,401.68, 1,259,348.64 and 270,771.36

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Solution

The fourth proportional to 839,401.68, 1,259,348.64 and 270,771.36 is: 406,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,401.68 : 1,259,348.64 = 270,771.36 : x
  2. Step 2: Convert to fraction form
    839,401.68/1,259,348.64 = 270,771.36/x
  3. Step 3: Cross multiply
    839,401.68x = 1,259,348.64 × 270,771.36
  4. Step 4: Simplify right side
    839,401.68x = 340,995,543,966.95
  5. Step 5: Solve for x
    x = 340,995,543,966.95/839,401.68
  6. Step 6: Final answer
    x = 406,236.43

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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.