Home / 863,265.60-1,294,898.40-443,361.60

Finding the Fourth Proportional to 863,265.60, 1,294,898.40 and 443,361.60

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Solution

The fourth proportional to 863,265.60, 1,294,898.40 and 443,361.60 is: 665,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,265.60 : 1,294,898.40 = 443,361.60 : x
  2. Step 2: Convert to fraction form
    863,265.60/1,294,898.40 = 443,361.60/x
  3. Step 3: Cross multiply
    863,265.60x = 1,294,898.40 × 443,361.60
  4. Step 4: Simplify right side
    863,265.60x = 574,108,226,461.44
  5. Step 5: Solve for x
    x = 574,108,226,461.44/863,265.60
  6. Step 6: Final answer
    x = 665,042.40

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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.