Home / 695,164.19-1,042,912.74-290,131.17

Finding the Fourth Proportional to 695,164.19, 1,042,912.74 and 290,131.17

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Solution

The fourth proportional to 695,164.19, 1,042,912.74 and 290,131.17 is: 435,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,164.19 : 1,042,912.74 = 290,131.17 : x
  2. Step 2: Convert to fraction form
    695,164.19/1,042,912.74 = 290,131.17/x
  3. Step 3: Cross multiply
    695,164.19x = 1,042,912.74 × 290,131.17
  4. Step 4: Simplify right side
    695,164.19x = 302,581,493,464.11
  5. Step 5: Solve for x
    x = 302,581,493,464.11/695,164.19
  6. Step 6: Final answer
    x = 435,266.23

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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.