Home / 756,343.92-1,133,829.24-377,380.56

Finding the Fourth Proportional to 756,343.92, 1,133,829.24 and 377,380.56

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Solution

The fourth proportional to 756,343.92, 1,133,829.24 and 377,380.56 is: 565,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,343.92 : 1,133,829.24 = 377,380.56 : x
  2. Step 2: Convert to fraction form
    756,343.92/1,133,829.24 = 377,380.56/x
  3. Step 3: Cross multiply
    756,343.92x = 1,133,829.24 × 377,380.56
  4. Step 4: Simplify right side
    756,343.92x = 427,885,113,535.57
  5. Step 5: Solve for x
    x = 427,885,113,535.57/756,343.92
  6. Step 6: Final answer
    x = 565,728.24

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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.