Home / 785,108.60-1,177,662.90-727,371.80

Finding the Fourth Proportional to 785,108.60, 1,177,662.90 and 727,371.80

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Solution

The fourth proportional to 785,108.60, 1,177,662.90 and 727,371.80 is: 1,091,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,108.60 : 1,177,662.90 = 727,371.80 : x
  2. Step 2: Convert to fraction form
    785,108.60/1,177,662.90 = 727,371.80/x
  3. Step 3: Cross multiply
    785,108.60x = 1,177,662.90 × 727,371.80
  4. Step 4: Simplify right side
    785,108.60x = 856,598,783,366.22
  5. Step 5: Solve for x
    x = 856,598,783,366.22/785,108.60
  6. Step 6: Final answer
    x = 1,091,057.70

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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.