Home / 664,231.98-916,660.35-377,793.30

Finding the Fourth Proportional to 664,231.98, 916,660.35 and 377,793.30

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Solution

The fourth proportional to 664,231.98, 916,660.35 and 377,793.30 is: 521,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,231.98 : 916,660.35 = 377,793.30 : x
  2. Step 2: Convert to fraction form
    664,231.98/916,660.35 = 377,793.30/x
  3. Step 3: Cross multiply
    664,231.98x = 916,660.35 × 377,793.30
  4. Step 4: Simplify right side
    664,231.98x = 346,308,138,605.66
  5. Step 5: Solve for x
    x = 346,308,138,605.66/664,231.98
  6. Step 6: Final answer
    x = 521,366.25

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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.