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Finding the Fourth Proportional to 580,442.96, 800,984.35 and 322,336.29

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Solution

The fourth proportional to 580,442.96, 800,984.35 and 322,336.29 is: 444,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,442.96 : 800,984.35 = 322,336.29 : x
  2. Step 2: Convert to fraction form
    580,442.96/800,984.35 = 322,336.29/x
  3. Step 3: Cross multiply
    580,442.96x = 800,984.35 × 322,336.29
  4. Step 4: Simplify right side
    580,442.96x = 258,186,325,160.80
  5. Step 5: Solve for x
    x = 258,186,325,160.80/580,442.96
  6. Step 6: Final answer
    x = 444,809.13

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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.