Home / 783,599.52-1,175,394.42-378,318.90

Finding the Fourth Proportional to 783,599.52, 1,175,394.42 and 378,318.90

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Solution

The fourth proportional to 783,599.52, 1,175,394.42 and 378,318.90 is: 567,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,599.52 : 1,175,394.42 = 378,318.90 : x
  2. Step 2: Convert to fraction form
    783,599.52/1,175,394.42 = 378,318.90/x
  3. Step 3: Cross multiply
    783,599.52x = 1,175,394.42 × 378,318.90
  4. Step 4: Simplify right side
    783,599.52x = 444,673,924,040.54
  5. Step 5: Solve for x
    x = 444,673,924,040.54/783,599.52
  6. Step 6: Final answer
    x = 567,476.00

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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.