Home / 690,052.14-1,035,190.55-203,783.47

Finding the Fourth Proportional to 690,052.14, 1,035,190.55 and 203,783.47

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Solution

The fourth proportional to 690,052.14, 1,035,190.55 and 203,783.47 is: 305,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,052.14 : 1,035,190.55 = 203,783.47 : x
  2. Step 2: Convert to fraction form
    690,052.14/1,035,190.55 = 203,783.47/x
  3. Step 3: Cross multiply
    690,052.14x = 1,035,190.55 × 203,783.47
  4. Step 4: Simplify right side
    690,052.14x = 210,954,722,390.21
  5. Step 5: Solve for x
    x = 210,954,722,390.21/690,052.14
  6. Step 6: Final answer
    x = 305,708.38

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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.