Home / 690,829.20-1,036,243.80-241,400.70

Finding the Fourth Proportional to 690,829.20, 1,036,243.80 and 241,400.70

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Solution

The fourth proportional to 690,829.20, 1,036,243.80 and 241,400.70 is: 362,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,829.20 : 1,036,243.80 = 241,400.70 : x
  2. Step 2: Convert to fraction form
    690,829.20/1,036,243.80 = 241,400.70/x
  3. Step 3: Cross multiply
    690,829.20x = 1,036,243.80 × 241,400.70
  4. Step 4: Simplify right side
    690,829.20x = 250,149,978,690.66
  5. Step 5: Solve for x
    x = 250,149,978,690.66/690,829.20
  6. Step 6: Final answer
    x = 362,101.05

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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.