Home / 815,883.15-1,224,046.16-247,241.28

Finding the Fourth Proportional to 815,883.15, 1,224,046.16 and 247,241.28

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Solution

The fourth proportional to 815,883.15, 1,224,046.16 and 247,241.28 is: 370,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,883.15 : 1,224,046.16 = 247,241.28 : x
  2. Step 2: Convert to fraction form
    815,883.15/1,224,046.16 = 247,241.28/x
  3. Step 3: Cross multiply
    815,883.15x = 1,224,046.16 × 247,241.28
  4. Step 4: Simplify right side
    815,883.15x = 302,634,738,141.28
  5. Step 5: Solve for x
    x = 302,634,738,141.28/815,883.15
  6. Step 6: Final answer
    x = 370,929.02

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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.