Home / 709,405.45-1,063,698.58-485,037.61

Finding the Fourth Proportional to 709,405.45, 1,063,698.58 and 485,037.61

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Solution

The fourth proportional to 709,405.45, 1,063,698.58 and 485,037.61 is: 727,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,405.45 : 1,063,698.58 = 485,037.61 : x
  2. Step 2: Convert to fraction form
    709,405.45/1,063,698.58 = 485,037.61/x
  3. Step 3: Cross multiply
    709,405.45x = 1,063,698.58 × 485,037.61
  4. Step 4: Simplify right side
    709,405.45x = 515,933,817,003.59
  5. Step 5: Solve for x
    x = 515,933,817,003.59/709,405.45
  6. Step 6: Final answer
    x = 727,276.37

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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.