Home / 862,574.84-1,294,059.09-263,621.15

Finding the Fourth Proportional to 862,574.84, 1,294,059.09 and 263,621.15

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Solution

The fourth proportional to 862,574.84, 1,294,059.09 and 263,621.15 is: 395,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,574.84 : 1,294,059.09 = 263,621.15 : x
  2. Step 2: Convert to fraction form
    862,574.84/1,294,059.09 = 263,621.15/x
  3. Step 3: Cross multiply
    862,574.84x = 1,294,059.09 × 263,621.15
  4. Step 4: Simplify right side
    862,574.84x = 341,141,345,473.75
  5. Step 5: Solve for x
    x = 341,141,345,473.75/862,574.84
  6. Step 6: Final answer
    x = 395,491.88

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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.