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Finding the Fourth Proportional to 567,550.64, 783,225.32 and 312,910.96

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Solution

The fourth proportional to 567,550.64, 783,225.32 and 312,910.96 is: 431,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,550.64 : 783,225.32 = 312,910.96 : x
  2. Step 2: Convert to fraction form
    567,550.64/783,225.32 = 312,910.96/x
  3. Step 3: Cross multiply
    567,550.64x = 783,225.32 × 312,910.96
  4. Step 4: Simplify right side
    567,550.64x = 245,079,786,777.51
  5. Step 5: Solve for x
    x = 245,079,786,777.51/567,550.64
  6. Step 6: Final answer
    x = 431,820.12

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