Home / 492,622.20-679,817.52-277,761.02

Finding the Fourth Proportional to 492,622.20, 679,817.52 and 277,761.02

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Solution

The fourth proportional to 492,622.20, 679,817.52 and 277,761.02 is: 383,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,622.20 : 679,817.52 = 277,761.02 : x
  2. Step 2: Convert to fraction form
    492,622.20/679,817.52 = 277,761.02/x
  3. Step 3: Cross multiply
    492,622.20x = 679,817.52 × 277,761.02
  4. Step 4: Simplify right side
    492,622.20x = 188,826,804,369.98
  5. Step 5: Solve for x
    x = 188,826,804,369.98/492,622.20
  6. Step 6: Final answer
    x = 383,309.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.