Home / 825,653.44-1,139,334.42-463,027.78

Finding the Fourth Proportional to 825,653.44, 1,139,334.42 and 463,027.78

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Solution

The fourth proportional to 825,653.44, 1,139,334.42 and 463,027.78 is: 638,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,653.44 : 1,139,334.42 = 463,027.78 : x
  2. Step 2: Convert to fraction form
    825,653.44/1,139,334.42 = 463,027.78/x
  3. Step 3: Cross multiply
    825,653.44x = 1,139,334.42 × 463,027.78
  4. Step 4: Simplify right side
    825,653.44x = 527,543,487,170.19
  5. Step 5: Solve for x
    x = 527,543,487,170.19/825,653.44
  6. Step 6: Final answer
    x = 638,940.58

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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.