Home / 805,566.78-1,208,351.72-206,530.07

Finding the Fourth Proportional to 805,566.78, 1,208,351.72 and 206,530.07

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Solution

The fourth proportional to 805,566.78, 1,208,351.72 and 206,530.07 is: 309,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,566.78 : 1,208,351.72 = 206,530.07 : x
  2. Step 2: Convert to fraction form
    805,566.78/1,208,351.72 = 206,530.07/x
  3. Step 3: Cross multiply
    805,566.78x = 1,208,351.72 × 206,530.07
  4. Step 4: Simplify right side
    805,566.78x = 249,560,959,790.79
  5. Step 5: Solve for x
    x = 249,560,959,790.79/805,566.78
  6. Step 6: Final answer
    x = 309,795.50

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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.