Home / 787,523.22-1,086,725.59-443,341.30

Finding the Fourth Proportional to 787,523.22, 1,086,725.59 and 443,341.30

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Solution

The fourth proportional to 787,523.22, 1,086,725.59 and 443,341.30 is: 611,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,523.22 : 1,086,725.59 = 443,341.30 : x
  2. Step 2: Convert to fraction form
    787,523.22/1,086,725.59 = 443,341.30/x
  3. Step 3: Cross multiply
    787,523.22x = 1,086,725.59 × 443,341.30
  4. Step 4: Simplify right side
    787,523.22x = 481,790,335,813.87
  5. Step 5: Solve for x
    x = 481,790,335,813.87/787,523.22
  6. Step 6: Final answer
    x = 611,779.21

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Double scale
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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.