Home / 842,749.43-1,264,161.06-243,771.14

Finding the Fourth Proportional to 842,749.43, 1,264,161.06 and 243,771.14

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Solution

The fourth proportional to 842,749.43, 1,264,161.06 and 243,771.14 is: 365,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,749.43 : 1,264,161.06 = 243,771.14 : x
  2. Step 2: Convert to fraction form
    842,749.43/1,264,161.06 = 243,771.14/x
  3. Step 3: Cross multiply
    842,749.43x = 1,264,161.06 × 243,771.14
  4. Step 4: Simplify right side
    842,749.43x = 308,165,982,739.81
  5. Step 5: Solve for x
    x = 308,165,982,739.81/842,749.43
  6. Step 6: Final answer
    x = 365,667.39

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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.