Home / 778,588.35-1,167,169.02-272,873.66

Finding the Fourth Proportional to 778,588.35, 1,167,169.02 and 272,873.66

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Solution

The fourth proportional to 778,588.35, 1,167,169.02 and 272,873.66 is: 409,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,588.35 : 1,167,169.02 = 272,873.66 : x
  2. Step 2: Convert to fraction form
    778,588.35/1,167,169.02 = 272,873.66/x
  3. Step 3: Cross multiply
    778,588.35x = 1,167,169.02 × 272,873.66
  4. Step 4: Simplify right side
    778,588.35x = 318,489,682,326.01
  5. Step 5: Solve for x
    x = 318,489,682,326.01/778,588.35
  6. Step 6: Final answer
    x = 409,060.43

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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.