Home / 813,514.90-1,220,334.72-273,773.84

Finding the Fourth Proportional to 813,514.90, 1,220,334.72 and 273,773.84

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Solution

The fourth proportional to 813,514.90, 1,220,334.72 and 273,773.84 is: 410,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,514.90 : 1,220,334.72 = 273,773.84 : x
  2. Step 2: Convert to fraction form
    813,514.90/1,220,334.72 = 273,773.84/x
  3. Step 3: Cross multiply
    813,514.90x = 1,220,334.72 × 273,773.84
  4. Step 4: Simplify right side
    813,514.90x = 334,095,722,379.73
  5. Step 5: Solve for x
    x = 334,095,722,379.73/813,514.90
  6. Step 6: Final answer
    x = 410,681.75

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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.