Home / 862,534.92-1,293,758.10-330,015

Finding the Fourth Proportional to 862,534.92, 1,293,758.10 and 330,015

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Solution

The fourth proportional to 862,534.92, 1,293,758.10 and 330,015 is: 495,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,534.92 : 1,293,758.10 = 330,015 : x
  2. Step 2: Convert to fraction form
    862,534.92/1,293,758.10 = 330,015/x
  3. Step 3: Cross multiply
    862,534.92x = 1,293,758.10 × 330,015
  4. Step 4: Simplify right side
    862,534.92x = 426,959,579,371.50
  5. Step 5: Solve for x
    x = 426,959,579,371.50/862,534.92
  6. Step 6: Final answer
    x = 495,005.56

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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.