Home / 701,246.80-1,051,870.20-486,629.20

Finding the Fourth Proportional to 701,246.80, 1,051,870.20 and 486,629.20

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Solution

The fourth proportional to 701,246.80, 1,051,870.20 and 486,629.20 is: 729,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,246.80 : 1,051,870.20 = 486,629.20 : x
  2. Step 2: Convert to fraction form
    701,246.80/1,051,870.20 = 486,629.20/x
  3. Step 3: Cross multiply
    701,246.80x = 1,051,870.20 × 486,629.20
  4. Step 4: Simplify right side
    701,246.80x = 511,870,753,929.84
  5. Step 5: Solve for x
    x = 511,870,753,929.84/701,246.80
  6. Step 6: Final answer
    x = 729,943.80

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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.