Home / 682,683.02-1,023,687.56-209,254.22

Finding the Fourth Proportional to 682,683.02, 1,023,687.56 and 209,254.22

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Solution

The fourth proportional to 682,683.02, 1,023,687.56 and 209,254.22 is: 313,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,683.02 : 1,023,687.56 = 209,254.22 : x
  2. Step 2: Convert to fraction form
    682,683.02/1,023,687.56 = 209,254.22/x
  3. Step 3: Cross multiply
    682,683.02x = 1,023,687.56 × 209,254.22
  4. Step 4: Simplify right side
    682,683.02x = 214,210,941,891.50
  5. Step 5: Solve for x
    x = 214,210,941,891.50/682,683.02
  6. Step 6: Final answer
    x = 313,778.04

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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.