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Finding the Fourth Proportional to 580,665.91, 801,291.87 and 322,559.58

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Solution

The fourth proportional to 580,665.91, 801,291.87 and 322,559.58 is: 445,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,665.91 : 801,291.87 = 322,559.58 : x
  2. Step 2: Convert to fraction form
    580,665.91/801,291.87 = 322,559.58/x
  3. Step 3: Cross multiply
    580,665.91x = 801,291.87 × 322,559.58
  4. Step 4: Simplify right side
    580,665.91x = 258,464,369,044.62
  5. Step 5: Solve for x
    x = 258,464,369,044.62/580,665.91
  6. Step 6: Final answer
    x = 445,117.18

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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.