Home / 912,489.62-1,259,243.82-504,618.91

Finding the Fourth Proportional to 912,489.62, 1,259,243.82 and 504,618.91

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Solution

The fourth proportional to 912,489.62, 1,259,243.82 and 504,618.91 is: 696,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,489.62 : 1,259,243.82 = 504,618.91 : x
  2. Step 2: Convert to fraction form
    912,489.62/1,259,243.82 = 504,618.91/x
  3. Step 3: Cross multiply
    912,489.62x = 1,259,243.82 × 504,618.91
  4. Step 4: Simplify right side
    912,489.62x = 635,438,243,872.64
  5. Step 5: Solve for x
    x = 635,438,243,872.64/912,489.62
  6. Step 6: Final answer
    x = 696,378.60

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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.