Home / 783,790.44-1,175,403.54-271,316.34

Finding the Fourth Proportional to 783,790.44, 1,175,403.54 and 271,316.34

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Solution

The fourth proportional to 783,790.44, 1,175,403.54 and 271,316.34 is: 406,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,790.44 : 1,175,403.54 = 271,316.34 : x
  2. Step 2: Convert to fraction form
    783,790.44/1,175,403.54 = 271,316.34/x
  3. Step 3: Cross multiply
    783,790.44x = 1,175,403.54 × 271,316.34
  4. Step 4: Simplify right side
    783,790.44x = 318,906,186,495.84
  5. Step 5: Solve for x
    x = 318,906,186,495.84/783,790.44
  6. Step 6: Final answer
    x = 406,876.85

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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.