Home / 754,573.81-1,131,737.70-221,970.28

Finding the Fourth Proportional to 754,573.81, 1,131,737.70 and 221,970.28

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Solution

The fourth proportional to 754,573.81, 1,131,737.70 and 221,970.28 is: 332,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,573.81 : 1,131,737.70 = 221,970.28 : x
  2. Step 2: Convert to fraction form
    754,573.81/1,131,737.70 = 221,970.28/x
  3. Step 3: Cross multiply
    754,573.81x = 1,131,737.70 × 221,970.28
  4. Step 4: Simplify right side
    754,573.81x = 251,212,134,155.56
  5. Step 5: Solve for x
    x = 251,212,134,155.56/754,573.81
  6. Step 6: Final answer
    x = 332,919.23

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1.5x scale

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.