Home / 804,989.10-1,207,524.96-205,955.42

Finding the Fourth Proportional to 804,989.10, 1,207,524.96 and 205,955.42

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Solution

The fourth proportional to 804,989.10, 1,207,524.96 and 205,955.42 is: 308,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,989.10 : 1,207,524.96 = 205,955.42 : x
  2. Step 2: Convert to fraction form
    804,989.10/1,207,524.96 = 205,955.42/x
  3. Step 3: Cross multiply
    804,989.10x = 1,207,524.96 × 205,955.42
  4. Step 4: Simplify right side
    804,989.10x = 248,696,310,297.28
  5. Step 5: Solve for x
    x = 248,696,310,297.28/804,989.10
  6. Step 6: Final answer
    x = 308,943.70

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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.