Home / 492,628.20-679,825.80-277,767.02

Finding the Fourth Proportional to 492,628.20, 679,825.80 and 277,767.02

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Solution

The fourth proportional to 492,628.20, 679,825.80 and 277,767.02 is: 383,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,628.20 : 679,825.80 = 277,767.02 : x
  2. Step 2: Convert to fraction form
    492,628.20/679,825.80 = 277,767.02/x
  3. Step 3: Cross multiply
    492,628.20x = 679,825.80 × 277,767.02
  4. Step 4: Simplify right side
    492,628.20x = 188,833,186,585.12
  5. Step 5: Solve for x
    x = 188,833,186,585.12/492,628.20
  6. Step 6: Final answer
    x = 383,317.86

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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.