Home / 853,655.46-1,279,465.83-397,634.82

Finding the Fourth Proportional to 853,655.46, 1,279,465.83 and 397,634.82

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Solution

The fourth proportional to 853,655.46, 1,279,465.83 and 397,634.82 is: 595,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,655.46 : 1,279,465.83 = 397,634.82 : x
  2. Step 2: Convert to fraction form
    853,655.46/1,279,465.83 = 397,634.82/x
  3. Step 3: Cross multiply
    853,655.46x = 1,279,465.83 × 397,634.82
  4. Step 4: Simplify right side
    853,655.46x = 508,760,165,008.20
  5. Step 5: Solve for x
    x = 508,760,165,008.20/853,655.46
  6. Step 6: Final answer
    x = 595,978.34

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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.