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Finding the Fourth Proportional to 580,993.95, 801,846.50 and 326,345.07

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Solution

The fourth proportional to 580,993.95, 801,846.50 and 326,345.07 is: 450,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,993.95 : 801,846.50 = 326,345.07 : x
  2. Step 2: Convert to fraction form
    580,993.95/801,846.50 = 326,345.07/x
  3. Step 3: Cross multiply
    580,993.95x = 801,846.50 × 326,345.07
  4. Step 4: Simplify right side
    580,993.95x = 261,678,650,540.03
  5. Step 5: Solve for x
    x = 261,678,650,540.03/580,993.95
  6. Step 6: Final answer
    x = 450,398.24

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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.