Home / 820,627.26-1,132,654.60-481,204.86

Finding the Fourth Proportional to 820,627.26, 1,132,654.60 and 481,204.86

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Solution

The fourth proportional to 820,627.26, 1,132,654.60 and 481,204.86 is: 664,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,627.26 : 1,132,654.60 = 481,204.86 : x
  2. Step 2: Convert to fraction form
    820,627.26/1,132,654.60 = 481,204.86/x
  3. Step 3: Cross multiply
    820,627.26x = 1,132,654.60 × 481,204.86
  4. Step 4: Simplify right side
    820,627.26x = 545,038,898,221.36
  5. Step 5: Solve for x
    x = 545,038,898,221.36/820,627.26
  6. Step 6: Final answer
    x = 664,173.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.