Home / 772,814.34-1,065,785.66-482,452.73

Finding the Fourth Proportional to 772,814.34, 1,065,785.66 and 482,452.73

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Solution

The fourth proportional to 772,814.34, 1,065,785.66 and 482,452.73 is: 665,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,814.34 : 1,065,785.66 = 482,452.73 : x
  2. Step 2: Convert to fraction form
    772,814.34/1,065,785.66 = 482,452.73/x
  3. Step 3: Cross multiply
    772,814.34x = 1,065,785.66 × 482,452.73
  4. Step 4: Simplify right side
    772,814.34x = 514,191,193,520.66
  5. Step 5: Solve for x
    x = 514,191,193,520.66/772,814.34
  6. Step 6: Final answer
    x = 665,348.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.