Home / 484,905.06-669,165.18-280,951.56

Finding the Fourth Proportional to 484,905.06, 669,165.18 and 280,951.56

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Solution

The fourth proportional to 484,905.06, 669,165.18 and 280,951.56 is: 387,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,905.06 : 669,165.18 = 280,951.56 : x
  2. Step 2: Convert to fraction form
    484,905.06/669,165.18 = 280,951.56/x
  3. Step 3: Cross multiply
    484,905.06x = 669,165.18 × 280,951.56
  4. Step 4: Simplify right side
    484,905.06x = 188,003,001,218.68
  5. Step 5: Solve for x
    x = 188,003,001,218.68/484,905.06
  6. Step 6: Final answer
    x = 387,710.95

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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.