Home / 901,427.72-1,244,813.20-579,696.32

Finding the Fourth Proportional to 901,427.72, 1,244,813.20 and 579,696.32

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Solution

The fourth proportional to 901,427.72, 1,244,813.20 and 579,696.32 is: 800,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,427.72 : 1,244,813.20 = 579,696.32 : x
  2. Step 2: Convert to fraction form
    901,427.72/1,244,813.20 = 579,696.32/x
  3. Step 3: Cross multiply
    901,427.72x = 1,244,813.20 × 579,696.32
  4. Step 4: Simplify right side
    901,427.72x = 721,613,632,790.22
  5. Step 5: Solve for x
    x = 721,613,632,790.22/901,427.72
  6. Step 6: Final answer
    x = 800,523.02

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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.