Home / 492,784.31-680,042.22-277,923.92

Finding the Fourth Proportional to 492,784.31, 680,042.22 and 277,923.92

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Solution

The fourth proportional to 492,784.31, 680,042.22 and 277,923.92 is: 383,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,784.31 : 680,042.22 = 277,923.92 : x
  2. Step 2: Convert to fraction form
    492,784.31/680,042.22 = 277,923.92/x
  3. Step 3: Cross multiply
    492,784.31x = 680,042.22 × 277,923.92
  4. Step 4: Simplify right side
    492,784.31x = 188,999,996,147.69
  5. Step 5: Solve for x
    x = 188,999,996,147.69/492,784.31
  6. Step 6: Final answer
    x = 383,534.93

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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.