Home / 789,097.13-1,089,060.75-445,003.86

Finding the Fourth Proportional to 789,097.13, 1,089,060.75 and 445,003.86

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Solution

The fourth proportional to 789,097.13, 1,089,060.75 and 445,003.86 is: 614,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,097.13 : 1,089,060.75 = 445,003.86 : x
  2. Step 2: Convert to fraction form
    789,097.13/1,089,060.75 = 445,003.86/x
  3. Step 3: Cross multiply
    789,097.13x = 1,089,060.75 × 445,003.86
  4. Step 4: Simplify right side
    789,097.13x = 484,636,237,524.50
  5. Step 5: Solve for x
    x = 484,636,237,524.50/789,097.13
  6. Step 6: Final answer
    x = 614,165.51

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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.