Home / 682,811.31-942,374.48-381,024.75

Finding the Fourth Proportional to 682,811.31, 942,374.48 and 381,024.75

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Solution

The fourth proportional to 682,811.31, 942,374.48 and 381,024.75 is: 525,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,811.31 : 942,374.48 = 381,024.75 : x
  2. Step 2: Convert to fraction form
    682,811.31/942,374.48 = 381,024.75/x
  3. Step 3: Cross multiply
    682,811.31x = 942,374.48 × 381,024.75
  4. Step 4: Simplify right side
    682,811.31x = 359,067,998,743.26
  5. Step 5: Solve for x
    x = 359,067,998,743.26/682,811.31
  6. Step 6: Final answer
    x = 525,867.09

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1.5x scale

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.