Home / 1,289,896.76-1,934,839.02-330,350.48

Finding the Fourth Proportional to 1,289,896.76, 1,934,839.02 and 330,350.48

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Solution

The fourth proportional to 1,289,896.76, 1,934,839.02 and 330,350.48 is: 495,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,896.76 : 1,934,839.02 = 330,350.48 : x
  2. Step 2: Convert to fraction form
    1,289,896.76/1,934,839.02 = 330,350.48/x
  3. Step 3: Cross multiply
    1,289,896.76x = 1,934,839.02 × 330,350.48
  4. Step 4: Simplify right side
    1,289,896.76x = 639,174,998,979.73
  5. Step 5: Solve for x
    x = 639,174,998,979.73/1,289,896.76
  6. Step 6: Final answer
    x = 495,524.15

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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.