Home / 682,128.16-1,023,017.72-202,243.76

Finding the Fourth Proportional to 682,128.16, 1,023,017.72 and 202,243.76

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Solution

The fourth proportional to 682,128.16, 1,023,017.72 and 202,243.76 is: 303,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,128.16 : 1,023,017.72 = 202,243.76 : x
  2. Step 2: Convert to fraction form
    682,128.16/1,023,017.72 = 202,243.76/x
  3. Step 3: Cross multiply
    682,128.16x = 1,023,017.72 × 202,243.76
  4. Step 4: Simplify right side
    682,128.16x = 206,898,950,239.43
  5. Step 5: Solve for x
    x = 206,898,950,239.43/682,128.16
  6. Step 6: Final answer
    x = 303,313.90

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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.