Home / 801,578.63-1,106,178.49-439,003.34

Finding the Fourth Proportional to 801,578.63, 1,106,178.49 and 439,003.34

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Solution

The fourth proportional to 801,578.63, 1,106,178.49 and 439,003.34 is: 605,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,578.63 : 1,106,178.49 = 439,003.34 : x
  2. Step 2: Convert to fraction form
    801,578.63/1,106,178.49 = 439,003.34/x
  3. Step 3: Cross multiply
    801,578.63x = 1,106,178.49 × 439,003.34
  4. Step 4: Simplify right side
    801,578.63x = 485,616,051,746.16
  5. Step 5: Solve for x
    x = 485,616,051,746.16/801,578.63
  6. Step 6: Final answer
    x = 605,824.60

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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.