Home / 774,072.56-1,161,551.04-300,696.32

Finding the Fourth Proportional to 774,072.56, 1,161,551.04 and 300,696.32

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Solution

The fourth proportional to 774,072.56, 1,161,551.04 and 300,696.32 is: 451,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,072.56 : 1,161,551.04 = 300,696.32 : x
  2. Step 2: Convert to fraction form
    774,072.56/1,161,551.04 = 300,696.32/x
  3. Step 3: Cross multiply
    774,072.56x = 1,161,551.04 × 300,696.32
  4. Step 4: Simplify right side
    774,072.56x = 349,274,123,220.17
  5. Step 5: Solve for x
    x = 349,274,123,220.17/774,072.56
  6. Step 6: Final answer
    x = 451,216.26

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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.