Home / 741,174.32-1,111,779.93-208,691.75

Finding the Fourth Proportional to 741,174.32, 1,111,779.93 and 208,691.75

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Solution

The fourth proportional to 741,174.32, 1,111,779.93 and 208,691.75 is: 313,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,174.32 : 1,111,779.93 = 208,691.75 : x
  2. Step 2: Convert to fraction form
    741,174.32/1,111,779.93 = 208,691.75/x
  3. Step 3: Cross multiply
    741,174.32x = 1,111,779.93 × 208,691.75
  4. Step 4: Simplify right side
    741,174.32x = 232,019,302,768.62
  5. Step 5: Solve for x
    x = 232,019,302,768.62/741,174.32
  6. Step 6: Final answer
    x = 313,042.82

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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.