Home / 777,811.92-1,167,012.28-304,836.56

Finding the Fourth Proportional to 777,811.92, 1,167,012.28 and 304,836.56

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Solution

The fourth proportional to 777,811.92, 1,167,012.28 and 304,836.56 is: 457,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,811.92 : 1,167,012.28 = 304,836.56 : x
  2. Step 2: Convert to fraction form
    777,811.92/1,167,012.28 = 304,836.56/x
  3. Step 3: Cross multiply
    777,811.92x = 1,167,012.28 × 304,836.56
  4. Step 4: Simplify right side
    777,811.92x = 355,748,008,912.96
  5. Step 5: Solve for x
    x = 355,748,008,912.96/777,811.92
  6. Step 6: Final answer
    x = 457,370.22

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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.