Home / 810,964.80-1,119,072.51-448,393.14

Finding the Fourth Proportional to 810,964.80, 1,119,072.51 and 448,393.14

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Solution

The fourth proportional to 810,964.80, 1,119,072.51 and 448,393.14 is: 618,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,964.80 : 1,119,072.51 = 448,393.14 : x
  2. Step 2: Convert to fraction form
    810,964.80/1,119,072.51 = 448,393.14/x
  3. Step 3: Cross multiply
    810,964.80x = 1,119,072.51 × 448,393.14
  4. Step 4: Simplify right side
    810,964.80x = 501,784,436,646.58
  5. Step 5: Solve for x
    x = 501,784,436,646.58/810,964.80
  6. Step 6: Final answer
    x = 618,749.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.