Home / 690,978.20-1,036,399.26-241,616.12

Finding the Fourth Proportional to 690,978.20, 1,036,399.26 and 241,616.12

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Solution

The fourth proportional to 690,978.20, 1,036,399.26 and 241,616.12 is: 362,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,978.20 : 1,036,399.26 = 241,616.12 : x
  2. Step 2: Convert to fraction form
    690,978.20/1,036,399.26 = 241,616.12/x
  3. Step 3: Cross multiply
    690,978.20x = 1,036,399.26 × 241,616.12
  4. Step 4: Simplify right side
    690,978.20x = 250,410,767,972.07
  5. Step 5: Solve for x
    x = 250,410,767,972.07/690,978.20
  6. Step 6: Final answer
    x = 362,400.39

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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.