Home / 753,107.73-1,039,028.87-481,334.70

Finding the Fourth Proportional to 753,107.73, 1,039,028.87 and 481,334.70

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Solution

The fourth proportional to 753,107.73, 1,039,028.87 and 481,334.70 is: 664,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,107.73 : 1,039,028.87 = 481,334.70 : x
  2. Step 2: Convert to fraction form
    753,107.73/1,039,028.87 = 481,334.70/x
  3. Step 3: Cross multiply
    753,107.73x = 1,039,028.87 × 481,334.70
  4. Step 4: Simplify right side
    753,107.73x = 500,120,651,824.98
  5. Step 5: Solve for x
    x = 500,120,651,824.98/753,107.73
  6. Step 6: Final answer
    x = 664,075.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.