Home / 484,923.74-669,194.52-281,092.78

Finding the Fourth Proportional to 484,923.74, 669,194.52 and 281,092.78

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Solution

The fourth proportional to 484,923.74, 669,194.52 and 281,092.78 is: 387,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,923.74 : 669,194.52 = 281,092.78 : x
  2. Step 2: Convert to fraction form
    484,923.74/669,194.52 = 281,092.78/x
  3. Step 3: Cross multiply
    484,923.74x = 669,194.52 × 281,092.78
  4. Step 4: Simplify right side
    484,923.74x = 188,105,744,641.59
  5. Step 5: Solve for x
    x = 188,105,744,641.59/484,923.74
  6. Step 6: Final answer
    x = 387,907.89

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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.