Home / 825,740.94-1,238,314.17-285,850.56

Finding the Fourth Proportional to 825,740.94, 1,238,314.17 and 285,850.56

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Solution

The fourth proportional to 825,740.94, 1,238,314.17 and 285,850.56 is: 428,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,740.94 : 1,238,314.17 = 285,850.56 : x
  2. Step 2: Convert to fraction form
    825,740.94/1,238,314.17 = 285,850.56/x
  3. Step 3: Cross multiply
    825,740.94x = 1,238,314.17 × 285,850.56
  4. Step 4: Simplify right side
    825,740.94x = 353,972,798,950.44
  5. Step 5: Solve for x
    x = 353,972,798,950.44/825,740.94
  6. Step 6: Final answer
    x = 428,672.94

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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.