Home / 939,713.69-1,296,617.31-571,944.51

Finding the Fourth Proportional to 939,713.69, 1,296,617.31 and 571,944.51

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Solution

The fourth proportional to 939,713.69, 1,296,617.31 and 571,944.51 is: 789,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,713.69 : 1,296,617.31 = 571,944.51 : x
  2. Step 2: Convert to fraction form
    939,713.69/1,296,617.31 = 571,944.51/x
  3. Step 3: Cross multiply
    939,713.69x = 1,296,617.31 × 571,944.51
  4. Step 4: Simplify right side
    939,713.69x = 741,593,152,025.47
  5. Step 5: Solve for x
    x = 741,593,152,025.47/939,713.69
  6. Step 6: Final answer
    x = 789,169.25

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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.