Home / 487,973.28-673,249.68-273,079.20

Finding the Fourth Proportional to 487,973.28, 673,249.68 and 273,079.20

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Solution

The fourth proportional to 487,973.28, 673,249.68 and 273,079.20 is: 376,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,973.28 : 673,249.68 = 273,079.20 : x
  2. Step 2: Convert to fraction form
    487,973.28/673,249.68 = 273,079.20/x
  3. Step 3: Cross multiply
    487,973.28x = 673,249.68 × 273,079.20
  4. Step 4: Simplify right side
    487,973.28x = 183,850,484,014.66
  5. Step 5: Solve for x
    x = 183,850,484,014.66/487,973.28
  6. Step 6: Final answer
    x = 376,763.42

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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.