Home / 682,558.40-941,924.36-376,637.60

Finding the Fourth Proportional to 682,558.40, 941,924.36 and 376,637.60

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Solution

The fourth proportional to 682,558.40, 941,924.36 and 376,637.60 is: 519,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,558.40 : 941,924.36 = 376,637.60 : x
  2. Step 2: Convert to fraction form
    682,558.40/941,924.36 = 376,637.60/x
  3. Step 3: Cross multiply
    682,558.40x = 941,924.36 × 376,637.60
  4. Step 4: Simplify right side
    682,558.40x = 354,764,130,331.94
  5. Step 5: Solve for x
    x = 354,764,130,331.94/682,558.40
  6. Step 6: Final answer
    x = 519,756.45

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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.