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Finding the Fourth Proportional to 580,041, 800,446.76 and 325,386.72

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Solution

The fourth proportional to 580,041, 800,446.76 and 325,386.72 is: 449,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,041 : 800,446.76 = 325,386.72 : x
  2. Step 2: Convert to fraction form
    580,041/800,446.76 = 325,386.72/x
  3. Step 3: Cross multiply
    580,041x = 800,446.76 × 325,386.72
  4. Step 4: Simplify right side
    580,041x = 260,454,744,144.09
  5. Step 5: Solve for x
    x = 260,454,744,144.09/580,041
  6. Step 6: Final answer
    x = 449,028.16

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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.