Home / 557,950.77-769,977.09-303,302.43

Finding the Fourth Proportional to 557,950.77, 769,977.09 and 303,302.43

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Solution

The fourth proportional to 557,950.77, 769,977.09 and 303,302.43 is: 418,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,950.77 : 769,977.09 = 303,302.43 : x
  2. Step 2: Convert to fraction form
    557,950.77/769,977.09 = 303,302.43/x
  3. Step 3: Cross multiply
    557,950.77x = 769,977.09 × 303,302.43
  4. Step 4: Simplify right side
    557,950.77x = 233,535,922,441.33
  5. Step 5: Solve for x
    x = 233,535,922,441.33/557,950.77
  6. Step 6: Final answer
    x = 418,560.09

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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.