Home / 812,770.02-1,219,157.91-273,010.86

Finding the Fourth Proportional to 812,770.02, 1,219,157.91 and 273,010.86

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Solution

The fourth proportional to 812,770.02, 1,219,157.91 and 273,010.86 is: 409,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,770.02 : 1,219,157.91 = 273,010.86 : x
  2. Step 2: Convert to fraction form
    812,770.02/1,219,157.91 = 273,010.86/x
  3. Step 3: Cross multiply
    812,770.02x = 1,219,157.91 × 273,010.86
  4. Step 4: Simplify right side
    812,770.02x = 332,843,348,154.37
  5. Step 5: Solve for x
    x = 332,843,348,154.37/812,770.02
  6. Step 6: Final answer
    x = 409,517.26

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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.