Home / 777,514.91-1,166,290.79-208,896.71

Finding the Fourth Proportional to 777,514.91, 1,166,290.79 and 208,896.71

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Solution

The fourth proportional to 777,514.91, 1,166,290.79 and 208,896.71 is: 313,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,514.91 : 1,166,290.79 = 208,896.71 : x
  2. Step 2: Convert to fraction form
    777,514.91/1,166,290.79 = 208,896.71/x
  3. Step 3: Cross multiply
    777,514.91x = 1,166,290.79 × 208,896.71
  4. Step 4: Simplify right side
    777,514.91x = 243,634,302,058.36
  5. Step 5: Solve for x
    x = 243,634,302,058.36/777,514.91
  6. Step 6: Final answer
    x = 313,350.01

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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.