Home / 719,163.90-1,077,761.70-478,593.90

Finding the Fourth Proportional to 719,163.90, 1,077,761.70 and 478,593.90

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Solution

The fourth proportional to 719,163.90, 1,077,761.70 and 478,593.90 is: 717,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,163.90 : 1,077,761.70 = 478,593.90 : x
  2. Step 2: Convert to fraction form
    719,163.90/1,077,761.70 = 478,593.90/x
  3. Step 3: Cross multiply
    719,163.90x = 1,077,761.70 × 478,593.90
  4. Step 4: Simplify right side
    719,163.90x = 515,810,175,273.63
  5. Step 5: Solve for x
    x = 515,810,175,273.63/719,163.90
  6. Step 6: Final answer
    x = 717,235.91

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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.