Home / 682,637.90-1,024,102.65-261,910.13

Finding the Fourth Proportional to 682,637.90, 1,024,102.65 and 261,910.13

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Solution

The fourth proportional to 682,637.90, 1,024,102.65 and 261,910.13 is: 392,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,637.90 : 1,024,102.65 = 261,910.13 : x
  2. Step 2: Convert to fraction form
    682,637.90/1,024,102.65 = 261,910.13/x
  3. Step 3: Cross multiply
    682,637.90x = 1,024,102.65 × 261,910.13
  4. Step 4: Simplify right side
    682,637.90x = 268,222,853,074.33
  5. Step 5: Solve for x
    x = 268,222,853,074.33/682,637.90
  6. Step 6: Final answer
    x = 392,921.13

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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.