Home / 682,954.80-1,025,274.60-430,234.80

Finding the Fourth Proportional to 682,954.80, 1,025,274.60 and 430,234.80

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Solution

The fourth proportional to 682,954.80, 1,025,274.60 and 430,234.80 is: 645,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,954.80 : 1,025,274.60 = 430,234.80 : x
  2. Step 2: Convert to fraction form
    682,954.80/1,025,274.60 = 430,234.80/x
  3. Step 3: Cross multiply
    682,954.80x = 1,025,274.60 × 430,234.80
  4. Step 4: Simplify right side
    682,954.80x = 441,108,812,476.08
  5. Step 5: Solve for x
    x = 441,108,812,476.08/682,954.80
  6. Step 6: Final answer
    x = 645,882.88

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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.