Home / 445,214.46-666,225.38-385,448.52

Finding the Fourth Proportional to 445,214.46, 666,225.38 and 385,448.52

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Solution

The fourth proportional to 445,214.46, 666,225.38 and 385,448.52 is: 576,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,214.46 : 666,225.38 = 385,448.52 : x
  2. Step 2: Convert to fraction form
    445,214.46/666,225.38 = 385,448.52/x
  3. Step 3: Cross multiply
    445,214.46x = 666,225.38 × 385,448.52
  4. Step 4: Simplify right side
    445,214.46x = 256,795,586,707.44
  5. Step 5: Solve for x
    x = 256,795,586,707.44/445,214.46
  6. Step 6: Final answer
    x = 576,790.76

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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.