Home / 861,727.95-1,292,785.76-262,749.66

Finding the Fourth Proportional to 861,727.95, 1,292,785.76 and 262,749.66

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Solution

The fourth proportional to 861,727.95, 1,292,785.76 and 262,749.66 is: 394,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,727.95 : 1,292,785.76 = 262,749.66 : x
  2. Step 2: Convert to fraction form
    861,727.95/1,292,785.76 = 262,749.66/x
  3. Step 3: Cross multiply
    861,727.95x = 1,292,785.76 × 262,749.66
  4. Step 4: Simplify right side
    861,727.95x = 339,679,017,579.09
  5. Step 5: Solve for x
    x = 339,679,017,579.09/861,727.95
  6. Step 6: Final answer
    x = 394,183.59

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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.