Home / 772,813.83-1,065,784.97-482,452.22

Finding the Fourth Proportional to 772,813.83, 1,065,784.97 and 482,452.22

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Solution

The fourth proportional to 772,813.83, 1,065,784.97 and 482,452.22 is: 665,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,813.83 : 1,065,784.97 = 482,452.22 : x
  2. Step 2: Convert to fraction form
    772,813.83/1,065,784.97 = 482,452.22/x
  3. Step 3: Cross multiply
    772,813.83x = 1,065,784.97 × 482,452.22
  4. Step 4: Simplify right side
    772,813.83x = 514,190,324,819.13
  5. Step 5: Solve for x
    x = 514,190,324,819.13/772,813.83
  6. Step 6: Final answer
    x = 665,348.24

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1.5x scale

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.