Home / 801,677.85-1,106,315.19-439,124.28

Finding the Fourth Proportional to 801,677.85, 1,106,315.19 and 439,124.28

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Solution

The fourth proportional to 801,677.85, 1,106,315.19 and 439,124.28 is: 605,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,677.85 : 1,106,315.19 = 439,124.28 : x
  2. Step 2: Convert to fraction form
    801,677.85/1,106,315.19 = 439,124.28/x
  3. Step 3: Cross multiply
    801,677.85x = 1,106,315.19 × 439,124.28
  4. Step 4: Simplify right side
    801,677.85x = 485,809,861,261.81
  5. Step 5: Solve for x
    x = 485,809,861,261.81/801,677.85
  6. Step 6: Final answer
    x = 605,991.37

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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.