Home / 783,669.05-1,175,504.82-215,057.93

Finding the Fourth Proportional to 783,669.05, 1,175,504.82 and 215,057.93

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Solution

The fourth proportional to 783,669.05, 1,175,504.82 and 215,057.93 is: 322,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,669.05 : 1,175,504.82 = 215,057.93 : x
  2. Step 2: Convert to fraction form
    783,669.05/1,175,504.82 = 215,057.93/x
  3. Step 3: Cross multiply
    783,669.05x = 1,175,504.82 × 215,057.93
  4. Step 4: Simplify right side
    783,669.05x = 252,801,636,232.99
  5. Step 5: Solve for x
    x = 252,801,636,232.99/783,669.05
  6. Step 6: Final answer
    x = 322,587.24

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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.