Home / 775,642.23-1,162,772.42-302,219.91

Finding the Fourth Proportional to 775,642.23, 1,162,772.42 and 302,219.91

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Solution

The fourth proportional to 775,642.23, 1,162,772.42 and 302,219.91 is: 453,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,642.23 : 1,162,772.42 = 302,219.91 : x
  2. Step 2: Convert to fraction form
    775,642.23/1,162,772.42 = 302,219.91/x
  3. Step 3: Cross multiply
    775,642.23x = 1,162,772.42 × 302,219.91
  4. Step 4: Simplify right side
    775,642.23x = 351,412,974,611.78
  5. Step 5: Solve for x
    x = 351,412,974,611.78/775,642.23
  6. Step 6: Final answer
    x = 453,060.65

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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.