Home / 809,736.81-1,213,638.87-376,871.79

Finding the Fourth Proportional to 809,736.81, 1,213,638.87 and 376,871.79

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Solution

The fourth proportional to 809,736.81, 1,213,638.87 and 376,871.79 is: 564,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,736.81 : 1,213,638.87 = 376,871.79 : x
  2. Step 2: Convert to fraction form
    809,736.81/1,213,638.87 = 376,871.79/x
  3. Step 3: Cross multiply
    809,736.81x = 1,213,638.87 × 376,871.79
  4. Step 4: Simplify right side
    809,736.81x = 457,386,253,350.48
  5. Step 5: Solve for x
    x = 457,386,253,350.48/809,736.81
  6. Step 6: Final answer
    x = 564,857.92

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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.