Home / 799,992.60-1,201,371.30-426,744.60

Finding the Fourth Proportional to 799,992.60, 1,201,371.30 and 426,744.60

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Solution

The fourth proportional to 799,992.60, 1,201,371.30 and 426,744.60 is: 640,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,992.60 : 1,201,371.30 = 426,744.60 : x
  2. Step 2: Convert to fraction form
    799,992.60/1,201,371.30 = 426,744.60/x
  3. Step 3: Cross multiply
    799,992.60x = 1,201,371.30 × 426,744.60
  4. Step 4: Simplify right side
    799,992.60x = 512,678,714,869.98
  5. Step 5: Solve for x
    x = 512,678,714,869.98/799,992.60
  6. Step 6: Final answer
    x = 640,854.32

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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.