Home / 682,432.28-1,023,611.50-209,119.00

Finding the Fourth Proportional to 682,432.28, 1,023,611.50 and 209,119.00

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Solution

The fourth proportional to 682,432.28, 1,023,611.50 and 209,119.00 is: 313,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,432.28 : 1,023,611.50 = 209,119.00 : x
  2. Step 2: Convert to fraction form
    682,432.28/1,023,611.50 = 209,119.00/x
  3. Step 3: Cross multiply
    682,432.28x = 1,023,611.50 × 209,119.00
  4. Step 4: Simplify right side
    682,432.28x = 214,056,610,186.67
  5. Step 5: Solve for x
    x = 214,056,610,186.67/682,432.28
  6. Step 6: Final answer
    x = 313,667.18

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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.