Home / 557,847.16-769,835.10-303,198.40

Finding the Fourth Proportional to 557,847.16, 769,835.10 and 303,198.40

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Solution

The fourth proportional to 557,847.16, 769,835.10 and 303,198.40 is: 418,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,847.16 : 769,835.10 = 303,198.40 : x
  2. Step 2: Convert to fraction form
    557,847.16/769,835.10 = 303,198.40/x
  3. Step 3: Cross multiply
    557,847.16x = 769,835.10 × 303,198.40
  4. Step 4: Simplify right side
    557,847.16x = 233,412,770,583.84
  5. Step 5: Solve for x
    x = 233,412,770,583.84/557,847.16
  6. Step 6: Final answer
    x = 418,417.06

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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.