Home / 807,991.74-1,115,025.75-468,653.58

Finding the Fourth Proportional to 807,991.74, 1,115,025.75 and 468,653.58

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Solution

The fourth proportional to 807,991.74, 1,115,025.75 and 468,653.58 is: 646,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,991.74 : 1,115,025.75 = 468,653.58 : x
  2. Step 2: Convert to fraction form
    807,991.74/1,115,025.75 = 468,653.58/x
  3. Step 3: Cross multiply
    807,991.74x = 1,115,025.75 × 468,653.58
  4. Step 4: Simplify right side
    807,991.74x = 522,560,809,529.69
  5. Step 5: Solve for x
    x = 522,560,809,529.69/807,991.74
  6. Step 6: Final answer
    x = 646,740.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.