Home / 777,619.13-1,166,428.69-186,643.13

Finding the Fourth Proportional to 777,619.13, 1,166,428.69 and 186,643.13

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Solution

The fourth proportional to 777,619.13, 1,166,428.69 and 186,643.13 is: 279,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619.13 : 1,166,428.69 = 186,643.13 : x
  2. Step 2: Convert to fraction form
    777,619.13/1,166,428.69 = 186,643.13/x
  3. Step 3: Cross multiply
    777,619.13x = 1,166,428.69 × 186,643.13
  4. Step 4: Simplify right side
    777,619.13x = 217,705,895,324.65
  5. Step 5: Solve for x
    x = 217,705,895,324.65/777,619.13
  6. Step 6: Final answer
    x = 279,964.69

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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.