Home / 862,754.28-1,294,134.75-263,713.11

Finding the Fourth Proportional to 862,754.28, 1,294,134.75 and 263,713.11

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Solution

The fourth proportional to 862,754.28, 1,294,134.75 and 263,713.11 is: 395,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,754.28 : 1,294,134.75 = 263,713.11 : x
  2. Step 2: Convert to fraction form
    862,754.28/1,294,134.75 = 263,713.11/x
  3. Step 3: Cross multiply
    862,754.28x = 1,294,134.75 × 263,713.11
  4. Step 4: Simplify right side
    862,754.28x = 341,280,299,681.57
  5. Step 5: Solve for x
    x = 341,280,299,681.57/862,754.28
  6. Step 6: Final answer
    x = 395,570.68

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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.