Home / 774,908.87-1,162,361.69-213,941.75

Finding the Fourth Proportional to 774,908.87, 1,162,361.69 and 213,941.75

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Solution

The fourth proportional to 774,908.87, 1,162,361.69 and 213,941.75 is: 320,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,908.87 : 1,162,361.69 = 213,941.75 : x
  2. Step 2: Convert to fraction form
    774,908.87/1,162,361.69 = 213,941.75/x
  3. Step 3: Cross multiply
    774,908.87x = 1,162,361.69 × 213,941.75
  4. Step 4: Simplify right side
    774,908.87x = 248,677,693,021.85
  5. Step 5: Solve for x
    x = 248,677,693,021.85/774,908.87
  6. Step 6: Final answer
    x = 320,912.18

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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.