Home / 487,970.78-673,246.23-273,076.70

Finding the Fourth Proportional to 487,970.78, 673,246.23 and 273,076.70

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Solution

The fourth proportional to 487,970.78, 673,246.23 and 273,076.70 is: 376,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,970.78 : 673,246.23 = 273,076.70 : x
  2. Step 2: Convert to fraction form
    487,970.78/673,246.23 = 273,076.70/x
  3. Step 3: Cross multiply
    487,970.78x = 673,246.23 × 273,076.70
  4. Step 4: Simplify right side
    487,970.78x = 183,847,858,775.84
  5. Step 5: Solve for x
    x = 183,847,858,775.84/487,970.78
  6. Step 6: Final answer
    x = 376,759.97

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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.