Home / 884,865.60-1,327,492.80-285,724.80

Finding the Fourth Proportional to 884,865.60, 1,327,492.80 and 285,724.80

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Solution

The fourth proportional to 884,865.60, 1,327,492.80 and 285,724.80 is: 428,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,865.60 : 1,327,492.80 = 285,724.80 : x
  2. Step 2: Convert to fraction form
    884,865.60/1,327,492.80 = 285,724.80/x
  3. Step 3: Cross multiply
    884,865.60x = 1,327,492.80 × 285,724.80
  4. Step 4: Simplify right side
    884,865.60x = 379,297,614,781.44
  5. Step 5: Solve for x
    x = 379,297,614,781.44/884,865.60
  6. Step 6: Final answer
    x = 428,649.97

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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.