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Finding the Fourth Proportional to 580,447.27, 800,973.29 and 325,749.25

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Solution

The fourth proportional to 580,447.27, 800,973.29 and 325,749.25 is: 449,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,447.27 : 800,973.29 = 325,749.25 : x
  2. Step 2: Convert to fraction form
    580,447.27/800,973.29 = 325,749.25/x
  3. Step 3: Cross multiply
    580,447.27x = 800,973.29 × 325,749.25
  4. Step 4: Simplify right side
    580,447.27x = 260,916,448,487.53
  5. Step 5: Solve for x
    x = 260,916,448,487.53/580,447.27
  6. Step 6: Final answer
    x = 449,509.30

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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.