Home / 808,212.30-1,211,800.05-335,085.90

Finding the Fourth Proportional to 808,212.30, 1,211,800.05 and 335,085.90

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Solution

The fourth proportional to 808,212.30, 1,211,800.05 and 335,085.90 is: 502,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,212.30 : 1,211,800.05 = 335,085.90 : x
  2. Step 2: Convert to fraction form
    808,212.30/1,211,800.05 = 335,085.90/x
  3. Step 3: Cross multiply
    808,212.30x = 1,211,800.05 × 335,085.90
  4. Step 4: Simplify right side
    808,212.30x = 406,057,110,374.30
  5. Step 5: Solve for x
    x = 406,057,110,374.30/808,212.30
  6. Step 6: Final answer
    x = 502,413.92

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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.