Home / 695,163.12-1,043,138.80-375,310.72

Finding the Fourth Proportional to 695,163.12, 1,043,138.80 and 375,310.72

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Solution

The fourth proportional to 695,163.12, 1,043,138.80 and 375,310.72 is: 563,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,163.12 : 1,043,138.80 = 375,310.72 : x
  2. Step 2: Convert to fraction form
    695,163.12/1,043,138.80 = 375,310.72/x
  3. Step 3: Cross multiply
    695,163.12x = 1,043,138.80 × 375,310.72
  4. Step 4: Simplify right side
    695,163.12x = 391,501,174,087.94
  5. Step 5: Solve for x
    x = 391,501,174,087.94/695,163.12
  6. Step 6: Final answer
    x = 563,178.86

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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.