Home / 805,342.44-1,207,985.82-206,309.46

Finding the Fourth Proportional to 805,342.44, 1,207,985.82 and 206,309.46

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Solution

The fourth proportional to 805,342.44, 1,207,985.82 and 206,309.46 is: 309,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,342.44 : 1,207,985.82 = 206,309.46 : x
  2. Step 2: Convert to fraction form
    805,342.44/1,207,985.82 = 206,309.46/x
  3. Step 3: Cross multiply
    805,342.44x = 1,207,985.82 × 206,309.46
  4. Step 4: Simplify right side
    805,342.44x = 249,218,902,211.86
  5. Step 5: Solve for x
    x = 249,218,902,211.86/805,342.44
  6. Step 6: Final answer
    x = 309,457.06

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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.