Home / 682,713.20-1,024,069.80-443,212.40

Finding the Fourth Proportional to 682,713.20, 1,024,069.80 and 443,212.40

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Solution

The fourth proportional to 682,713.20, 1,024,069.80 and 443,212.40 is: 664,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,713.20 : 1,024,069.80 = 443,212.40 : x
  2. Step 2: Convert to fraction form
    682,713.20/1,024,069.80 = 443,212.40/x
  3. Step 3: Cross multiply
    682,713.20x = 1,024,069.80 × 443,212.40
  4. Step 4: Simplify right side
    682,713.20x = 453,880,433,825.52
  5. Step 5: Solve for x
    x = 453,880,433,825.52/682,713.20
  6. Step 6: Final answer
    x = 664,818.60

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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.