Home / 863,364.60-1,294,308.48-331,267.50

Finding the Fourth Proportional to 863,364.60, 1,294,308.48 and 331,267.50

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Solution

The fourth proportional to 863,364.60, 1,294,308.48 and 331,267.50 is: 496,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,364.60 : 1,294,308.48 = 331,267.50 : x
  2. Step 2: Convert to fraction form
    863,364.60/1,294,308.48 = 331,267.50/x
  3. Step 3: Cross multiply
    863,364.60x = 1,294,308.48 × 331,267.50
  4. Step 4: Simplify right side
    863,364.60x = 428,762,334,398.40
  5. Step 5: Solve for x
    x = 428,762,334,398.40/863,364.60
  6. Step 6: Final answer
    x = 496,617.92

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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.