Home / 922,209.80-1,383,198.06-291,187.40

Finding the Fourth Proportional to 922,209.80, 1,383,198.06 and 291,187.40

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Solution

The fourth proportional to 922,209.80, 1,383,198.06 and 291,187.40 is: 436,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,209.80 : 1,383,198.06 = 291,187.40 : x
  2. Step 2: Convert to fraction form
    922,209.80/1,383,198.06 = 291,187.40/x
  3. Step 3: Cross multiply
    922,209.80x = 1,383,198.06 × 291,187.40
  4. Step 4: Simplify right side
    922,209.80x = 402,769,846,776.44
  5. Step 5: Solve for x
    x = 402,769,846,776.44/922,209.80
  6. Step 6: Final answer
    x = 436,744.27

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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.