Home / 863,370.50-1,294,317.18-331,273.40

Finding the Fourth Proportional to 863,370.50, 1,294,317.18 and 331,273.40

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Solution

The fourth proportional to 863,370.50, 1,294,317.18 and 331,273.40 is: 496,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,370.50 : 1,294,317.18 = 331,273.40 : x
  2. Step 2: Convert to fraction form
    863,370.50/1,294,317.18 = 331,273.40/x
  3. Step 3: Cross multiply
    863,370.50x = 1,294,317.18 × 331,273.40
  4. Step 4: Simplify right side
    863,370.50x = 428,772,852,897.01
  5. Step 5: Solve for x
    x = 428,772,852,897.01/863,370.50
  6. Step 6: Final answer
    x = 496,626.71

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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.