Home / 682,723.20-1,024,084.80-384,124.80

Finding the Fourth Proportional to 682,723.20, 1,024,084.80 and 384,124.80

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Solution

The fourth proportional to 682,723.20, 1,024,084.80 and 384,124.80 is: 576,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,723.20 : 1,024,084.80 = 384,124.80 : x
  2. Step 2: Convert to fraction form
    682,723.20/1,024,084.80 = 384,124.80/x
  3. Step 3: Cross multiply
    682,723.20x = 1,024,084.80 × 384,124.80
  4. Step 4: Simplify right side
    682,723.20x = 393,376,368,983.04
  5. Step 5: Solve for x
    x = 393,376,368,983.04/682,723.20
  6. Step 6: Final answer
    x = 576,187.20

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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.