Home / 789,577.74-1,089,550.98-467,231.76

Finding the Fourth Proportional to 789,577.74, 1,089,550.98 and 467,231.76

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Solution

The fourth proportional to 789,577.74, 1,089,550.98 and 467,231.76 is: 644,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,577.74 : 1,089,550.98 = 467,231.76 : x
  2. Step 2: Convert to fraction form
    789,577.74/1,089,550.98 = 467,231.76/x
  3. Step 3: Cross multiply
    789,577.74x = 1,089,550.98 × 467,231.76
  4. Step 4: Simplify right side
    789,577.74x = 509,072,821,995.13
  5. Step 5: Solve for x
    x = 509,072,821,995.13/789,577.74
  6. Step 6: Final answer
    x = 644,740.60

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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.