Home / 497,838.15-686,839.50-293,786.97

Finding the Fourth Proportional to 497,838.15, 686,839.50 and 293,786.97

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Solution

The fourth proportional to 497,838.15, 686,839.50 and 293,786.97 is: 405,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,838.15 : 686,839.50 = 293,786.97 : x
  2. Step 2: Convert to fraction form
    497,838.15/686,839.50 = 293,786.97/x
  3. Step 3: Cross multiply
    497,838.15x = 686,839.50 × 293,786.97
  4. Step 4: Simplify right side
    497,838.15x = 201,784,493,005.67
  5. Step 5: Solve for x
    x = 201,784,493,005.67/497,838.15
  6. Step 6: Final answer
    x = 405,321.47

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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.