Home / 670,771.45-1,005,810.94-197,395.39

Finding the Fourth Proportional to 670,771.45, 1,005,810.94 and 197,395.39

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Solution

The fourth proportional to 670,771.45, 1,005,810.94 and 197,395.39 is: 295,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,771.45 : 1,005,810.94 = 197,395.39 : x
  2. Step 2: Convert to fraction form
    670,771.45/1,005,810.94 = 197,395.39/x
  3. Step 3: Cross multiply
    670,771.45x = 1,005,810.94 × 197,395.39
  4. Step 4: Simplify right side
    670,771.45x = 198,542,442,767.57
  5. Step 5: Solve for x
    x = 198,542,442,767.57/670,771.45
  6. Step 6: Final answer
    x = 295,991.19

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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.