Home / 709,404.45-1,063,697.09-485,036.61

Finding the Fourth Proportional to 709,404.45, 1,063,697.09 and 485,036.61

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Solution

The fourth proportional to 709,404.45, 1,063,697.09 and 485,036.61 is: 727,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,404.45 : 1,063,697.09 = 485,036.61 : x
  2. Step 2: Convert to fraction form
    709,404.45/1,063,697.09 = 485,036.61/x
  3. Step 3: Cross multiply
    709,404.45x = 1,063,697.09 × 485,036.61
  4. Step 4: Simplify right side
    709,404.45x = 515,932,028,175.28
  5. Step 5: Solve for x
    x = 515,932,028,175.28/709,404.45
  6. Step 6: Final answer
    x = 727,274.87

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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.