Home / 806,843.40-1,208,421.90-475,067.40

Finding the Fourth Proportional to 806,843.40, 1,208,421.90 and 475,067.40

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Solution

The fourth proportional to 806,843.40, 1,208,421.90 and 475,067.40 is: 711,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,843.40 : 1,208,421.90 = 475,067.40 : x
  2. Step 2: Convert to fraction form
    806,843.40/1,208,421.90 = 475,067.40/x
  3. Step 3: Cross multiply
    806,843.40x = 1,208,421.90 × 475,067.40
  4. Step 4: Simplify right side
    806,843.40x = 574,081,850,136.06
  5. Step 5: Solve for x
    x = 574,081,850,136.06/806,843.40
  6. Step 6: Final answer
    x = 711,515.83

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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.