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Finding the Fourth Proportional to 568,003.92, 783,845.37 and 313,355.10

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Solution

The fourth proportional to 568,003.92, 783,845.37 and 313,355.10 is: 432,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,003.92 : 783,845.37 = 313,355.10 : x
  2. Step 2: Convert to fraction form
    568,003.92/783,845.37 = 313,355.10/x
  3. Step 3: Cross multiply
    568,003.92x = 783,845.37 × 313,355.10
  4. Step 4: Simplify right side
    568,003.92x = 245,621,944,300.89
  5. Step 5: Solve for x
    x = 245,621,944,300.89/568,003.92
  6. Step 6: Final answer
    x = 432,430.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.