Home / 691,365.44-1,036,960.68-270,936.56

Finding the Fourth Proportional to 691,365.44, 1,036,960.68 and 270,936.56

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Solution

The fourth proportional to 691,365.44, 1,036,960.68 and 270,936.56 is: 406,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,365.44 : 1,036,960.68 = 270,936.56 : x
  2. Step 2: Convert to fraction form
    691,365.44/1,036,960.68 = 270,936.56/x
  3. Step 3: Cross multiply
    691,365.44x = 1,036,960.68 × 270,936.56
  4. Step 4: Simplify right side
    691,365.44x = 280,950,559,494.46
  5. Step 5: Solve for x
    x = 280,950,559,494.46/691,365.44
  6. Step 6: Final answer
    x = 406,370.56

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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.