Home / 854,076.16-1,281,167.07-285,508.42

Finding the Fourth Proportional to 854,076.16, 1,281,167.07 and 285,508.42

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Solution

The fourth proportional to 854,076.16, 1,281,167.07 and 285,508.42 is: 428,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,076.16 : 1,281,167.07 = 285,508.42 : x
  2. Step 2: Convert to fraction form
    854,076.16/1,281,167.07 = 285,508.42/x
  3. Step 3: Cross multiply
    854,076.16x = 1,281,167.07 × 285,508.42
  4. Step 4: Simplify right side
    854,076.16x = 365,783,985,911.73
  5. Step 5: Solve for x
    x = 365,783,985,911.73/854,076.16
  6. Step 6: Final answer
    x = 428,280.29

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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.