Home / 690,057.56-1,035,077.70-240,777.56

Finding the Fourth Proportional to 690,057.56, 1,035,077.70 and 240,777.56

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Solution

The fourth proportional to 690,057.56, 1,035,077.70 and 240,777.56 is: 361,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,057.56 : 1,035,077.70 = 240,777.56 : x
  2. Step 2: Convert to fraction form
    690,057.56/1,035,077.70 = 240,777.56/x
  3. Step 3: Cross multiply
    690,057.56x = 1,035,077.70 × 240,777.56
  4. Step 4: Simplify right side
    690,057.56x = 249,223,483,016.41
  5. Step 5: Solve for x
    x = 249,223,483,016.41/690,057.56
  6. Step 6: Final answer
    x = 361,163.33

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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.