Home / 497,217.98-686,142.66-303,949.37

Finding the Fourth Proportional to 497,217.98, 686,142.66 and 303,949.37

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Solution

The fourth proportional to 497,217.98, 686,142.66 and 303,949.37 is: 419,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,217.98 : 686,142.66 = 303,949.37 : x
  2. Step 2: Convert to fraction form
    497,217.98/686,142.66 = 303,949.37/x
  3. Step 3: Cross multiply
    497,217.98x = 686,142.66 × 303,949.37
  4. Step 4: Simplify right side
    497,217.98x = 208,552,630,952.48
  5. Step 5: Solve for x
    x = 208,552,630,952.48/497,217.98
  6. Step 6: Final answer
    x = 419,439.04

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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.