Home / 502,783.26-694,064.55-298,900.19

Finding the Fourth Proportional to 502,783.26, 694,064.55 and 298,900.19

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Solution

The fourth proportional to 502,783.26, 694,064.55 and 298,900.19 is: 412,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,783.26 : 694,064.55 = 298,900.19 : x
  2. Step 2: Convert to fraction form
    502,783.26/694,064.55 = 298,900.19/x
  3. Step 3: Cross multiply
    502,783.26x = 694,064.55 × 298,900.19
  4. Step 4: Simplify right side
    502,783.26x = 207,456,022,396.94
  5. Step 5: Solve for x
    x = 207,456,022,396.94/502,783.26
  6. Step 6: Final answer
    x = 412,615.21

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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.