Home / 682,743.16-1,024,246.87-261,986.32

Finding the Fourth Proportional to 682,743.16, 1,024,246.87 and 261,986.32

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Solution

The fourth proportional to 682,743.16, 1,024,246.87 and 261,986.32 is: 393,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,743.16 : 1,024,246.87 = 261,986.32 : x
  2. Step 2: Convert to fraction form
    682,743.16/1,024,246.87 = 261,986.32/x
  3. Step 3: Cross multiply
    682,743.16x = 1,024,246.87 × 261,986.32
  4. Step 4: Simplify right side
    682,743.16x = 268,338,668,242.82
  5. Step 5: Solve for x
    x = 268,338,668,242.82/682,743.16
  6. Step 6: Final answer
    x = 393,030.18

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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.