Home / 756,766.82-1,135,452.65-307,522.85

Finding the Fourth Proportional to 756,766.82, 1,135,452.65 and 307,522.85

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Solution

The fourth proportional to 756,766.82, 1,135,452.65 and 307,522.85 is: 461,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,766.82 : 1,135,452.65 = 307,522.85 : x
  2. Step 2: Convert to fraction form
    756,766.82/1,135,452.65 = 307,522.85/x
  3. Step 3: Cross multiply
    756,766.82x = 1,135,452.65 × 307,522.85
  4. Step 4: Simplify right side
    756,766.82x = 349,177,636,269.07
  5. Step 5: Solve for x
    x = 349,177,636,269.07/756,766.82
  6. Step 6: Final answer
    x = 461,407.17

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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.