Home / 856,267.60-1,284,012.60-323,611.60

Finding the Fourth Proportional to 856,267.60, 1,284,012.60 and 323,611.60

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Solution

The fourth proportional to 856,267.60, 1,284,012.60 and 323,611.60 is: 485,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,267.60 : 1,284,012.60 = 323,611.60 : x
  2. Step 2: Convert to fraction form
    856,267.60/1,284,012.60 = 323,611.60/x
  3. Step 3: Cross multiply
    856,267.60x = 1,284,012.60 × 323,611.60
  4. Step 4: Simplify right side
    856,267.60x = 415,521,371,906.16
  5. Step 5: Solve for x
    x = 415,521,371,906.16/856,267.60
  6. Step 6: Final answer
    x = 485,270.46

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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.