Home / 557,942.43-769,956.89-303,293.62

Finding the Fourth Proportional to 557,942.43, 769,956.89 and 303,293.62

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Solution

The fourth proportional to 557,942.43, 769,956.89 and 303,293.62 is: 418,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,942.43 : 769,956.89 = 303,293.62 : x
  2. Step 2: Convert to fraction form
    557,942.43/769,956.89 = 303,293.62/x
  3. Step 3: Cross multiply
    557,942.43x = 769,956.89 × 303,293.62
  4. Step 4: Simplify right side
    557,942.43x = 233,523,012,412.04
  5. Step 5: Solve for x
    x = 233,523,012,412.04/557,942.43
  6. Step 6: Final answer
    x = 418,543.20

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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.