Home / 682,741.16-1,024,243.87-261,984.32

Finding the Fourth Proportional to 682,741.16, 1,024,243.87 and 261,984.32

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Solution

The fourth proportional to 682,741.16, 1,024,243.87 and 261,984.32 is: 393,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,741.16 : 1,024,243.87 = 261,984.32 : x
  2. Step 2: Convert to fraction form
    682,741.16/1,024,243.87 = 261,984.32/x
  3. Step 3: Cross multiply
    682,741.16x = 1,024,243.87 × 261,984.32
  4. Step 4: Simplify right side
    682,741.16x = 268,335,833,796.12
  5. Step 5: Solve for x
    x = 268,335,833,796.12/682,741.16
  6. Step 6: Final answer
    x = 393,027.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.