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Finding the Fourth Proportional to 580,110.64, 800,600.91 and 322,011.84

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Solution

The fourth proportional to 580,110.64, 800,600.91 and 322,011.84 is: 444,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,110.64 : 800,600.91 = 322,011.84 : x
  2. Step 2: Convert to fraction form
    580,110.64/800,600.91 = 322,011.84/x
  3. Step 3: Cross multiply
    580,110.64x = 800,600.91 × 322,011.84
  4. Step 4: Simplify right side
    580,110.64x = 257,802,972,134.77
  5. Step 5: Solve for x
    x = 257,802,972,134.77/580,110.64
  6. Step 6: Final answer
    x = 444,403.11

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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.