Home / 815,989.44-1,224,191.76-479,314.80

Finding the Fourth Proportional to 815,989.44, 1,224,191.76 and 479,314.80

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Solution

The fourth proportional to 815,989.44, 1,224,191.76 and 479,314.80 is: 719,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,989.44 : 1,224,191.76 = 479,314.80 : x
  2. Step 2: Convert to fraction form
    815,989.44/1,224,191.76 = 479,314.80/x
  3. Step 3: Cross multiply
    815,989.44x = 1,224,191.76 × 479,314.80
  4. Step 4: Simplify right side
    815,989.44x = 586,773,228,606.05
  5. Step 5: Solve for x
    x = 586,773,228,606.05/815,989.44
  6. Step 6: Final answer
    x = 719,094.14

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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.