Home / 789,362.86-1,089,405.17-483,642.13

Finding the Fourth Proportional to 789,362.86, 1,089,405.17 and 483,642.13

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Solution

The fourth proportional to 789,362.86, 1,089,405.17 and 483,642.13 is: 667,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,362.86 : 1,089,405.17 = 483,642.13 : x
  2. Step 2: Convert to fraction form
    789,362.86/1,089,405.17 = 483,642.13/x
  3. Step 3: Cross multiply
    789,362.86x = 1,089,405.17 × 483,642.13
  4. Step 4: Simplify right side
    789,362.86x = 526,882,236,851.81
  5. Step 5: Solve for x
    x = 526,882,236,851.81/789,362.86
  6. Step 6: Final answer
    x = 667,477.87

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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.