Home / 777,194.22-1,072,485.24-428,265.90

Finding the Fourth Proportional to 777,194.22, 1,072,485.24 and 428,265.90

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Solution

The fourth proportional to 777,194.22, 1,072,485.24 and 428,265.90 is: 590,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,194.22 : 1,072,485.24 = 428,265.90 : x
  2. Step 2: Convert to fraction form
    777,194.22/1,072,485.24 = 428,265.90/x
  3. Step 3: Cross multiply
    777,194.22x = 1,072,485.24 × 428,265.90
  4. Step 4: Simplify right side
    777,194.22x = 459,308,856,545.32
  5. Step 5: Solve for x
    x = 459,308,856,545.32/777,194.22
  6. Step 6: Final answer
    x = 590,983.37

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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.