Home / 682,814.40-1,024,221.60-328,520.40

Finding the Fourth Proportional to 682,814.40, 1,024,221.60 and 328,520.40

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Solution

The fourth proportional to 682,814.40, 1,024,221.60 and 328,520.40 is: 492,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,814.40 : 1,024,221.60 = 328,520.40 : x
  2. Step 2: Convert to fraction form
    682,814.40/1,024,221.60 = 328,520.40/x
  3. Step 3: Cross multiply
    682,814.40x = 1,024,221.60 × 328,520.40
  4. Step 4: Simplify right side
    682,814.40x = 336,477,689,720.64
  5. Step 5: Solve for x
    x = 336,477,689,720.64/682,814.40
  6. Step 6: Final answer
    x = 492,780.60

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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.