Home / 754,571.31-1,131,733.95-221,967.78

Finding the Fourth Proportional to 754,571.31, 1,131,733.95 and 221,967.78

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Solution

The fourth proportional to 754,571.31, 1,131,733.95 and 221,967.78 is: 332,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,571.31 : 1,131,733.95 = 221,967.78 : x
  2. Step 2: Convert to fraction form
    754,571.31/1,131,733.95 = 221,967.78/x
  3. Step 3: Cross multiply
    754,571.31x = 1,131,733.95 × 221,967.78
  4. Step 4: Simplify right side
    754,571.31x = 251,208,472,432.13
  5. Step 5: Solve for x
    x = 251,208,472,432.13/754,571.31
  6. Step 6: Final answer
    x = 332,915.48

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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.