Home / 789,809.41-1,089,590.77-462,956.73

Finding the Fourth Proportional to 789,809.41, 1,089,590.77 and 462,956.73

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Solution

The fourth proportional to 789,809.41, 1,089,590.77 and 462,956.73 is: 638,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,809.41 : 1,089,590.77 = 462,956.73 : x
  2. Step 2: Convert to fraction form
    789,809.41/1,089,590.77 = 462,956.73/x
  3. Step 3: Cross multiply
    789,809.41x = 1,089,590.77 × 462,956.73
  4. Step 4: Simplify right side
    789,809.41x = 504,433,379,917.38
  5. Step 5: Solve for x
    x = 504,433,379,917.38/789,809.41
  6. Step 6: Final answer
    x = 638,677.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.