Home / 764,040.98-1,054,382.79-477,727.04

Finding the Fourth Proportional to 764,040.98, 1,054,382.79 and 477,727.04

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Solution

The fourth proportional to 764,040.98, 1,054,382.79 and 477,727.04 is: 659,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,040.98 : 1,054,382.79 = 477,727.04 : x
  2. Step 2: Convert to fraction form
    764,040.98/1,054,382.79 = 477,727.04/x
  3. Step 3: Cross multiply
    764,040.98x = 1,054,382.79 × 477,727.04
  4. Step 4: Simplify right side
    764,040.98x = 503,707,164,021.73
  5. Step 5: Solve for x
    x = 503,707,164,021.73/764,040.98
  6. Step 6: Final answer
    x = 659,267.21

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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.