Home / 557,816.68-769,787.09-303,167.86

Finding the Fourth Proportional to 557,816.68, 769,787.09 and 303,167.86

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Solution

The fourth proportional to 557,816.68, 769,787.09 and 303,167.86 is: 418,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,816.68 : 769,787.09 = 303,167.86 : x
  2. Step 2: Convert to fraction form
    557,816.68/769,787.09 = 303,167.86/x
  3. Step 3: Cross multiply
    557,816.68x = 769,787.09 × 303,167.86
  4. Step 4: Simplify right side
    557,816.68x = 233,374,708,462.87
  5. Step 5: Solve for x
    x = 233,374,708,462.87/557,816.68
  6. Step 6: Final answer
    x = 418,371.70

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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.