Home / 807,788.80-1,210,646.40-491,910.40

Finding the Fourth Proportional to 807,788.80, 1,210,646.40 and 491,910.40

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Solution

The fourth proportional to 807,788.80, 1,210,646.40 and 491,910.40 is: 737,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,788.80 : 1,210,646.40 = 491,910.40 : x
  2. Step 2: Convert to fraction form
    807,788.80/1,210,646.40 = 491,910.40/x
  3. Step 3: Cross multiply
    807,788.80x = 1,210,646.40 × 491,910.40
  4. Step 4: Simplify right side
    807,788.80x = 595,529,554,882.56
  5. Step 5: Solve for x
    x = 595,529,554,882.56/807,788.80
  6. Step 6: Final answer
    x = 737,234.23

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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.