Home / 756,885.76-1,135,355.48-188,269.79

Finding the Fourth Proportional to 756,885.76, 1,135,355.48 and 188,269.79

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Solution

The fourth proportional to 756,885.76, 1,135,355.48 and 188,269.79 is: 282,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,885.76 : 1,135,355.48 = 188,269.79 : x
  2. Step 2: Convert to fraction form
    756,885.76/1,135,355.48 = 188,269.79/x
  3. Step 3: Cross multiply
    756,885.76x = 1,135,355.48 × 188,269.79
  4. Step 4: Simplify right side
    756,885.76x = 213,753,137,794.95
  5. Step 5: Solve for x
    x = 213,753,137,794.95/756,885.76
  6. Step 6: Final answer
    x = 282,411.36

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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.