Home / 487,971.28-673,246.92-273,077.20

Finding the Fourth Proportional to 487,971.28, 673,246.92 and 273,077.20

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Solution

The fourth proportional to 487,971.28, 673,246.92 and 273,077.20 is: 376,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,971.28 : 673,246.92 = 273,077.20 : x
  2. Step 2: Convert to fraction form
    487,971.28/673,246.92 = 273,077.20/x
  3. Step 3: Cross multiply
    487,971.28x = 673,246.92 × 273,077.20
  4. Step 4: Simplify right side
    487,971.28x = 183,848,383,822.22
  5. Step 5: Solve for x
    x = 183,848,383,822.22/487,971.28
  6. Step 6: Final answer
    x = 376,760.66

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1.5x scale

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.