Home / 727,849.52-1,004,453.46-421,927.16

Finding the Fourth Proportional to 727,849.52, 1,004,453.46 and 421,927.16

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Solution

The fourth proportional to 727,849.52, 1,004,453.46 and 421,927.16 is: 582,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,849.52 : 1,004,453.46 = 421,927.16 : x
  2. Step 2: Convert to fraction form
    727,849.52/1,004,453.46 = 421,927.16/x
  3. Step 3: Cross multiply
    727,849.52x = 1,004,453.46 × 421,927.16
  4. Step 4: Simplify right side
    727,849.52x = 423,806,195,729.97
  5. Step 5: Solve for x
    x = 423,806,195,729.97/727,849.52
  6. Step 6: Final answer
    x = 582,271.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.