Home / 810,924.20-1,119,055.68-448,338.72

Finding the Fourth Proportional to 810,924.20, 1,119,055.68 and 448,338.72

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Solution

The fourth proportional to 810,924.20, 1,119,055.68 and 448,338.72 is: 618,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,924.20 : 1,119,055.68 = 448,338.72 : x
  2. Step 2: Convert to fraction form
    810,924.20/1,119,055.68 = 448,338.72/x
  3. Step 3: Cross multiply
    810,924.20x = 1,119,055.68 × 448,338.72
  4. Step 4: Simplify right side
    810,924.20x = 501,715,991,179.93
  5. Step 5: Solve for x
    x = 501,715,991,179.93/810,924.20
  6. Step 6: Final answer
    x = 618,696.53

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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.