Home / 785,321.80-1,177,982.70-504,003.40

Finding the Fourth Proportional to 785,321.80, 1,177,982.70 and 504,003.40

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Solution

The fourth proportional to 785,321.80, 1,177,982.70 and 504,003.40 is: 756,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,321.80 : 1,177,982.70 = 504,003.40 : x
  2. Step 2: Convert to fraction form
    785,321.80/1,177,982.70 = 504,003.40/x
  3. Step 3: Cross multiply
    785,321.80x = 1,177,982.70 × 504,003.40
  4. Step 4: Simplify right side
    785,321.80x = 593,707,285,941.18
  5. Step 5: Solve for x
    x = 593,707,285,941.18/785,321.80
  6. Step 6: Final answer
    x = 756,005.10

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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.