Home / 863,357.10-1,294,297.24-331,260

Finding the Fourth Proportional to 863,357.10, 1,294,297.24 and 331,260

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Solution

The fourth proportional to 863,357.10, 1,294,297.24 and 331,260 is: 496,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,357.10 : 1,294,297.24 = 331,260 : x
  2. Step 2: Convert to fraction form
    863,357.10/1,294,297.24 = 331,260/x
  3. Step 3: Cross multiply
    863,357.10x = 1,294,297.24 × 331,260
  4. Step 4: Simplify right side
    863,357.10x = 428,748,903,722.40
  5. Step 5: Solve for x
    x = 428,748,903,722.40/863,357.10
  6. Step 6: Final answer
    x = 496,606.68

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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.