Home / 690,056.56-1,035,076.20-240,776.56

Finding the Fourth Proportional to 690,056.56, 1,035,076.20 and 240,776.56

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Solution

The fourth proportional to 690,056.56, 1,035,076.20 and 240,776.56 is: 361,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,056.56 : 1,035,076.20 = 240,776.56 : x
  2. Step 2: Convert to fraction form
    690,056.56/1,035,076.20 = 240,776.56/x
  3. Step 3: Cross multiply
    690,056.56x = 1,035,076.20 × 240,776.56
  4. Step 4: Simplify right side
    690,056.56x = 249,222,086,773.87
  5. Step 5: Solve for x
    x = 249,222,086,773.87/690,056.56
  6. Step 6: Final answer
    x = 361,161.83

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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.