Home / 722,317.20-1,083,648.60-348,032.40

Finding the Fourth Proportional to 722,317.20, 1,083,648.60 and 348,032.40

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Solution

The fourth proportional to 722,317.20, 1,083,648.60 and 348,032.40 is: 522,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,317.20 : 1,083,648.60 = 348,032.40 : x
  2. Step 2: Convert to fraction form
    722,317.20/1,083,648.60 = 348,032.40/x
  3. Step 3: Cross multiply
    722,317.20x = 1,083,648.60 × 348,032.40
  4. Step 4: Simplify right side
    722,317.20x = 377,144,823,014.64
  5. Step 5: Solve for x
    x = 377,144,823,014.64/722,317.20
  6. Step 6: Final answer
    x = 522,131.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.