Home / 557,529.60-769,456.80-331,176

Finding the Fourth Proportional to 557,529.60, 769,456.80 and 331,176

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Solution

The fourth proportional to 557,529.60, 769,456.80 and 331,176 is: 457,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,529.60 : 769,456.80 = 331,176 : x
  2. Step 2: Convert to fraction form
    557,529.60/769,456.80 = 331,176/x
  3. Step 3: Cross multiply
    557,529.60x = 769,456.80 × 331,176
  4. Step 4: Simplify right side
    557,529.60x = 254,825,625,196.80
  5. Step 5: Solve for x
    x = 254,825,625,196.80/557,529.60
  6. Step 6: Final answer
    x = 457,062.06

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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.