Home / 805,006.25-1,207,507.32-205,966.44

Finding the Fourth Proportional to 805,006.25, 1,207,507.32 and 205,966.44

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Solution

The fourth proportional to 805,006.25, 1,207,507.32 and 205,966.44 is: 308,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,006.25 : 1,207,507.32 = 205,966.44 : x
  2. Step 2: Convert to fraction form
    805,006.25/1,207,507.32 = 205,966.44/x
  3. Step 3: Cross multiply
    805,006.25x = 1,207,507.32 × 205,966.44
  4. Step 4: Simplify right side
    805,006.25x = 248,705,986,478.19
  5. Step 5: Solve for x
    x = 248,705,986,478.19/805,006.25
  6. Step 6: Final answer
    x = 308,949.14

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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.