Home / 885,516.60-1,328,132.34-254,286.84

Finding the Fourth Proportional to 885,516.60, 1,328,132.34 and 254,286.84

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Solution

The fourth proportional to 885,516.60, 1,328,132.34 and 254,286.84 is: 381,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,516.60 : 1,328,132.34 = 254,286.84 : x
  2. Step 2: Convert to fraction form
    885,516.60/1,328,132.34 = 254,286.84/x
  3. Step 3: Cross multiply
    885,516.60x = 1,328,132.34 × 254,286.84
  4. Step 4: Simplify right side
    885,516.60x = 337,726,575,840.41
  5. Step 5: Solve for x
    x = 337,726,575,840.41/885,516.60
  6. Step 6: Final answer
    x = 381,389.32

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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.