Home / 827,363.20-1,239,896.61-376,983.40

Finding the Fourth Proportional to 827,363.20, 1,239,896.61 and 376,983.40

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Solution

The fourth proportional to 827,363.20, 1,239,896.61 and 376,983.40 is: 564,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,363.20 : 1,239,896.61 = 376,983.40 : x
  2. Step 2: Convert to fraction form
    827,363.20/1,239,896.61 = 376,983.40/x
  3. Step 3: Cross multiply
    827,363.20x = 1,239,896.61 × 376,983.40
  4. Step 4: Simplify right side
    827,363.20x = 467,420,439,686.27
  5. Step 5: Solve for x
    x = 467,420,439,686.27/827,363.20
  6. Step 6: Final answer
    x = 564,951.93

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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.