Home / 526,083.13-787,982.78-323,063.12

Finding the Fourth Proportional to 526,083.13, 787,982.78 and 323,063.12

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Solution

The fourth proportional to 526,083.13, 787,982.78 and 323,063.12 is: 483,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,083.13 : 787,982.78 = 323,063.12 : x
  2. Step 2: Convert to fraction form
    526,083.13/787,982.78 = 323,063.12/x
  3. Step 3: Cross multiply
    526,083.13x = 787,982.78 × 323,063.12
  4. Step 4: Simplify right side
    526,083.13x = 254,568,178,190.69
  5. Step 5: Solve for x
    x = 254,568,178,190.69/526,083.13
  6. Step 6: Final answer
    x = 483,893.45

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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.