Home / 682,022.79-941,276.30-391,725.27

Finding the Fourth Proportional to 682,022.79, 941,276.30 and 391,725.27

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Solution

The fourth proportional to 682,022.79, 941,276.30 and 391,725.27 is: 540,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,022.79 : 941,276.30 = 391,725.27 : x
  2. Step 2: Convert to fraction form
    682,022.79/941,276.30 = 391,725.27/x
  3. Step 3: Cross multiply
    682,022.79x = 941,276.30 × 391,725.27
  4. Step 4: Simplify right side
    682,022.79x = 368,721,709,477.14
  5. Step 5: Solve for x
    x = 368,721,709,477.14/682,022.79
  6. Step 6: Final answer
    x = 540,629.60

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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.