Home / 775,836.43-1,163,761.13-270,396.59

Finding the Fourth Proportional to 775,836.43, 1,163,761.13 and 270,396.59

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Solution

The fourth proportional to 775,836.43, 1,163,761.13 and 270,396.59 is: 405,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,836.43 : 1,163,761.13 = 270,396.59 : x
  2. Step 2: Convert to fraction form
    775,836.43/1,163,761.13 = 270,396.59/x
  3. Step 3: Cross multiply
    775,836.43x = 1,163,761.13 × 270,396.59
  4. Step 4: Simplify right side
    775,836.43x = 314,677,041,126.55
  5. Step 5: Solve for x
    x = 314,677,041,126.55/775,836.43
  6. Step 6: Final answer
    x = 405,597.14

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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.