Home / 807,595.20-1,211,392.80-274,939.20

Finding the Fourth Proportional to 807,595.20, 1,211,392.80 and 274,939.20

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Solution

The fourth proportional to 807,595.20, 1,211,392.80 and 274,939.20 is: 412,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,595.20 : 1,211,392.80 = 274,939.20 : x
  2. Step 2: Convert to fraction form
    807,595.20/1,211,392.80 = 274,939.20/x
  3. Step 3: Cross multiply
    807,595.20x = 1,211,392.80 × 274,939.20
  4. Step 4: Simplify right side
    807,595.20x = 333,059,367,317.76
  5. Step 5: Solve for x
    x = 333,059,367,317.76/807,595.20
  6. Step 6: Final answer
    x = 412,408.80

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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.