Home / 690,066.46-1,035,212.05-203,797.81

Finding the Fourth Proportional to 690,066.46, 1,035,212.05 and 203,797.81

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Solution

The fourth proportional to 690,066.46, 1,035,212.05 and 203,797.81 is: 305,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066.46 : 1,035,212.05 = 203,797.81 : x
  2. Step 2: Convert to fraction form
    690,066.46/1,035,212.05 = 203,797.81/x
  3. Step 3: Cross multiply
    690,066.46x = 1,035,212.05 × 203,797.81
  4. Step 4: Simplify right side
    690,066.46x = 210,973,947,656.62
  5. Step 5: Solve for x
    x = 210,973,947,656.62/690,066.46
  6. Step 6: Final answer
    x = 305,729.90

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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.