Home / 410,664.43-616,383.07-208,405.75

Finding the Fourth Proportional to 410,664.43, 616,383.07 and 208,405.75

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Solution

The fourth proportional to 410,664.43, 616,383.07 and 208,405.75 is: 312,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,664.43 : 616,383.07 = 208,405.75 : x
  2. Step 2: Convert to fraction form
    410,664.43/616,383.07 = 208,405.75/x
  3. Step 3: Cross multiply
    410,664.43x = 616,383.07 × 208,405.75
  4. Step 4: Simplify right side
    410,664.43x = 128,457,773,928.68
  5. Step 5: Solve for x
    x = 128,457,773,928.68/410,664.43
  6. Step 6: Final answer
    x = 312,804.73

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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.