Home / 557,847.81-769,834.67-303,198.93

Finding the Fourth Proportional to 557,847.81, 769,834.67 and 303,198.93

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Solution

The fourth proportional to 557,847.81, 769,834.67 and 303,198.93 is: 418,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,847.81 : 769,834.67 = 303,198.93 : x
  2. Step 2: Convert to fraction form
    557,847.81/769,834.67 = 303,198.93/x
  3. Step 3: Cross multiply
    557,847.81x = 769,834.67 × 303,198.93
  4. Step 4: Simplify right side
    557,847.81x = 233,413,046,704.91
  5. Step 5: Solve for x
    x = 233,413,046,704.91/557,847.81
  6. Step 6: Final answer
    x = 418,417.07

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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.