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Finding the Fourth Proportional to 580,329.09, 800,854.16 and 325,680.21

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Solution

The fourth proportional to 580,329.09, 800,854.16 and 325,680.21 is: 449,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,329.09 : 800,854.16 = 325,680.21 : x
  2. Step 2: Convert to fraction form
    580,329.09/800,854.16 = 325,680.21/x
  3. Step 3: Cross multiply
    580,329.09x = 800,854.16 × 325,680.21
  4. Step 4: Simplify right side
    580,329.09x = 260,822,349,379.77
  5. Step 5: Solve for x
    x = 260,822,349,379.77/580,329.09
  6. Step 6: Final answer
    x = 449,438.70

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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.