Home / 829,078.71-1,243,546.59-504,782.75

Finding the Fourth Proportional to 829,078.71, 1,243,546.59 and 504,782.75

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Solution

The fourth proportional to 829,078.71, 1,243,546.59 and 504,782.75 is: 757,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,078.71 : 1,243,546.59 = 504,782.75 : x
  2. Step 2: Convert to fraction form
    829,078.71/1,243,546.59 = 504,782.75/x
  3. Step 3: Cross multiply
    829,078.71x = 1,243,546.59 × 504,782.75
  4. Step 4: Simplify right side
    829,078.71x = 627,720,872,455.12
  5. Step 5: Solve for x
    x = 627,720,872,455.12/829,078.71
  6. Step 6: Final answer
    x = 757,130.62

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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.