Home / 754,571.70-1,131,734.50-221,968.15

Finding the Fourth Proportional to 754,571.70, 1,131,734.50 and 221,968.15

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Solution

The fourth proportional to 754,571.70, 1,131,734.50 and 221,968.15 is: 332,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,571.70 : 1,131,734.50 = 221,968.15 : x
  2. Step 2: Convert to fraction form
    754,571.70/1,131,734.50 = 221,968.15/x
  3. Step 3: Cross multiply
    754,571.70x = 1,131,734.50 × 221,968.15
  4. Step 4: Simplify right side
    754,571.70x = 251,209,009,871.92
  5. Step 5: Solve for x
    x = 251,209,009,871.92/754,571.70
  6. Step 6: Final answer
    x = 332,916.02

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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.