Home / 680,023.36-1,020,151.72-206,756.56

Finding the Fourth Proportional to 680,023.36, 1,020,151.72 and 206,756.56

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Solution

The fourth proportional to 680,023.36, 1,020,151.72 and 206,756.56 is: 310,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,023.36 : 1,020,151.72 = 206,756.56 : x
  2. Step 2: Convert to fraction form
    680,023.36/1,020,151.72 = 206,756.56/x
  3. Step 3: Cross multiply
    680,023.36x = 1,020,151.72 × 206,756.56
  4. Step 4: Simplify right side
    680,023.36x = 210,923,060,305.28
  5. Step 5: Solve for x
    x = 210,923,060,305.28/680,023.36
  6. Step 6: Final answer
    x = 310,170.32

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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.