Home / 800,977.91-1,201,646.79-268,485.30

Finding the Fourth Proportional to 800,977.91, 1,201,646.79 and 268,485.30

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Solution

The fourth proportional to 800,977.91, 1,201,646.79 and 268,485.30 is: 402,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,977.91 : 1,201,646.79 = 268,485.30 : x
  2. Step 2: Convert to fraction form
    800,977.91/1,201,646.79 = 268,485.30/x
  3. Step 3: Cross multiply
    800,977.91x = 1,201,646.79 × 268,485.30
  4. Step 4: Simplify right side
    800,977.91x = 322,624,498,907.19
  5. Step 5: Solve for x
    x = 322,624,498,907.19/800,977.91
  6. Step 6: Final answer
    x = 402,788.26

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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.