Home / 808,744.80-1,214,429.40-454,450.80

Finding the Fourth Proportional to 808,744.80, 1,214,429.40 and 454,450.80

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Solution

The fourth proportional to 808,744.80, 1,214,429.40 and 454,450.80 is: 682,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,744.80 : 1,214,429.40 = 454,450.80 : x
  2. Step 2: Convert to fraction form
    808,744.80/1,214,429.40 = 454,450.80/x
  3. Step 3: Cross multiply
    808,744.80x = 1,214,429.40 × 454,450.80
  4. Step 4: Simplify right side
    808,744.80x = 551,898,412,373.52
  5. Step 5: Solve for x
    x = 551,898,412,373.52/808,744.80
  6. Step 6: Final answer
    x = 682,413.55

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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.