Home / 769,850.87-1,154,840.90-283,665.38

Finding the Fourth Proportional to 769,850.87, 1,154,840.90 and 283,665.38

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Solution

The fourth proportional to 769,850.87, 1,154,840.90 and 283,665.38 is: 425,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,850.87 : 1,154,840.90 = 283,665.38 : x
  2. Step 2: Convert to fraction form
    769,850.87/1,154,840.90 = 283,665.38/x
  3. Step 3: Cross multiply
    769,850.87x = 1,154,840.90 × 283,665.38
  4. Step 4: Simplify right side
    769,850.87x = 327,588,375,545.51
  5. Step 5: Solve for x
    x = 327,588,375,545.51/769,850.87
  6. Step 6: Final answer
    x = 425,521.86

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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.