Home / 818,669.43-1,228,191.05-250,131.44

Finding the Fourth Proportional to 818,669.43, 1,228,191.05 and 250,131.44

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Solution

The fourth proportional to 818,669.43, 1,228,191.05 and 250,131.44 is: 375,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,669.43 : 1,228,191.05 = 250,131.44 : x
  2. Step 2: Convert to fraction form
    818,669.43/1,228,191.05 = 250,131.44/x
  3. Step 3: Cross multiply
    818,669.43x = 1,228,191.05 × 250,131.44
  4. Step 4: Simplify right side
    818,669.43x = 307,209,199,627.42
  5. Step 5: Solve for x
    x = 307,209,199,627.42/818,669.43
  6. Step 6: Final answer
    x = 375,254.27

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Double scale
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Similar ratio
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1.5x scale

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.