Home / 797,125.09-1,100,025.41-439,429.09

Finding the Fourth Proportional to 797,125.09, 1,100,025.41 and 439,429.09

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Solution

The fourth proportional to 797,125.09, 1,100,025.41 and 439,429.09 is: 606,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,125.09 : 1,100,025.41 = 439,429.09 : x
  2. Step 2: Convert to fraction form
    797,125.09/1,100,025.41 = 439,429.09/x
  3. Step 3: Cross multiply
    797,125.09x = 1,100,025.41 × 439,429.09
  4. Step 4: Simplify right side
    797,125.09x = 483,383,162,696.03
  5. Step 5: Solve for x
    x = 483,383,162,696.03/797,125.09
  6. Step 6: Final answer
    x = 606,408.16

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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.