Home / 492,820.52-680,064.38-277,947.76

Finding the Fourth Proportional to 492,820.52, 680,064.38 and 277,947.76

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Solution

The fourth proportional to 492,820.52, 680,064.38 and 277,947.76 is: 383,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,820.52 : 680,064.38 = 277,947.76 : x
  2. Step 2: Convert to fraction form
    492,820.52/680,064.38 = 277,947.76/x
  3. Step 3: Cross multiply
    492,820.52x = 680,064.38 × 277,947.76
  4. Step 4: Simplify right side
    492,820.52x = 189,022,371,076.79
  5. Step 5: Solve for x
    x = 189,022,371,076.79/492,820.52
  6. Step 6: Final answer
    x = 383,552.15

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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.