Home / 874,131.32-1,311,374.96-368,694.17

Finding the Fourth Proportional to 874,131.32, 1,311,374.96 and 368,694.17

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Solution

The fourth proportional to 874,131.32, 1,311,374.96 and 368,694.17 is: 553,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,131.32 : 1,311,374.96 = 368,694.17 : x
  2. Step 2: Convert to fraction form
    874,131.32/1,311,374.96 = 368,694.17/x
  3. Step 3: Cross multiply
    874,131.32x = 1,311,374.96 × 368,694.17
  4. Step 4: Simplify right side
    874,131.32x = 483,496,309,786.29
  5. Step 5: Solve for x
    x = 483,496,309,786.29/874,131.32
  6. Step 6: Final answer
    x = 553,116.33

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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.