Home / 492,834.40-680,121.52-277,933.28

Finding the Fourth Proportional to 492,834.40, 680,121.52 and 277,933.28

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Solution

The fourth proportional to 492,834.40, 680,121.52 and 277,933.28 is: 383,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,834.40 : 680,121.52 = 277,933.28 : x
  2. Step 2: Convert to fraction form
    492,834.40/680,121.52 = 277,933.28/x
  3. Step 3: Cross multiply
    492,834.40x = 680,121.52 × 277,933.28
  4. Step 4: Simplify right side
    492,834.40x = 189,028,404,852.19
  5. Step 5: Solve for x
    x = 189,028,404,852.19/492,834.40
  6. Step 6: Final answer
    x = 383,553.59

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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.