Home / 809,116.40-1,213,696.47-210,064.29

Finding the Fourth Proportional to 809,116.40, 1,213,696.47 and 210,064.29

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Solution

The fourth proportional to 809,116.40, 1,213,696.47 and 210,064.29 is: 315,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,116.40 : 1,213,696.47 = 210,064.29 : x
  2. Step 2: Convert to fraction form
    809,116.40/1,213,696.47 = 210,064.29/x
  3. Step 3: Cross multiply
    809,116.40x = 1,213,696.47 × 210,064.29
  4. Step 4: Simplify right side
    809,116.40x = 254,954,287,246.06
  5. Step 5: Solve for x
    x = 254,954,287,246.06/809,116.40
  6. Step 6: Final answer
    x = 315,102.11

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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.