Home / 671,976.90-1,007,965.35-504,015.30

Finding the Fourth Proportional to 671,976.90, 1,007,965.35 and 504,015.30

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Solution

The fourth proportional to 671,976.90, 1,007,965.35 and 504,015.30 is: 756,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,976.90 : 1,007,965.35 = 504,015.30 : x
  2. Step 2: Convert to fraction form
    671,976.90/1,007,965.35 = 504,015.30/x
  3. Step 3: Cross multiply
    671,976.90x = 1,007,965.35 × 504,015.30
  4. Step 4: Simplify right side
    671,976.90x = 508,029,958,269.86
  5. Step 5: Solve for x
    x = 508,029,958,269.86/671,976.90
  6. Step 6: Final answer
    x = 756,022.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.