Home / 695,071.30-1,042,405.65-208,733.84

Finding the Fourth Proportional to 695,071.30, 1,042,405.65 and 208,733.84

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Solution

The fourth proportional to 695,071.30, 1,042,405.65 and 208,733.84 is: 313,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,071.30 : 1,042,405.65 = 208,733.84 : x
  2. Step 2: Convert to fraction form
    695,071.30/1,042,405.65 = 208,733.84/x
  3. Step 3: Cross multiply
    695,071.30x = 1,042,405.65 × 208,733.84
  4. Step 4: Simplify right side
    695,071.30x = 217,585,334,162.20
  5. Step 5: Solve for x
    x = 217,585,334,162.20/695,071.30
  6. Step 6: Final answer
    x = 313,040.31

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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.