Home / 863,542.37-1,294,673.86-413,835.03

Finding the Fourth Proportional to 863,542.37, 1,294,673.86 and 413,835.03

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Solution

The fourth proportional to 863,542.37, 1,294,673.86 and 413,835.03 is: 620,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,542.37 : 1,294,673.86 = 413,835.03 : x
  2. Step 2: Convert to fraction form
    863,542.37/1,294,673.86 = 413,835.03/x
  3. Step 3: Cross multiply
    863,542.37x = 1,294,673.86 × 413,835.03
  4. Step 4: Simplify right side
    863,542.37x = 535,781,395,693.32
  5. Step 5: Solve for x
    x = 535,781,395,693.32/863,542.37
  6. Step 6: Final answer
    x = 620,445.98

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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.