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Finding the Fourth Proportional to 580,788.18, 801,487.71 and 326,139.39

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Solution

The fourth proportional to 580,788.18, 801,487.71 and 326,139.39 is: 450,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,788.18 : 801,487.71 = 326,139.39 : x
  2. Step 2: Convert to fraction form
    580,788.18/801,487.71 = 326,139.39/x
  3. Step 3: Cross multiply
    580,788.18x = 801,487.71 × 326,139.39
  4. Step 4: Simplify right side
    580,788.18x = 261,396,712,831.90
  5. Step 5: Solve for x
    x = 261,396,712,831.90/580,788.18
  6. Step 6: Final answer
    x = 450,072.37

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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.