Home / 682,579.80-1,023,869.70-416,859.30

Finding the Fourth Proportional to 682,579.80, 1,023,869.70 and 416,859.30

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Solution

The fourth proportional to 682,579.80, 1,023,869.70 and 416,859.30 is: 625,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,579.80 : 1,023,869.70 = 416,859.30 : x
  2. Step 2: Convert to fraction form
    682,579.80/1,023,869.70 = 416,859.30/x
  3. Step 3: Cross multiply
    682,579.80x = 1,023,869.70 × 416,859.30
  4. Step 4: Simplify right side
    682,579.80x = 426,809,606,433.21
  5. Step 5: Solve for x
    x = 426,809,606,433.21/682,579.80
  6. Step 6: Final answer
    x = 625,288.95

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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.