Home / 789,606.58-1,089,653.91-427,030.81

Finding the Fourth Proportional to 789,606.58, 1,089,653.91 and 427,030.81

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Solution

The fourth proportional to 789,606.58, 1,089,653.91 and 427,030.81 is: 589,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,606.58 : 1,089,653.91 = 427,030.81 : x
  2. Step 2: Convert to fraction form
    789,606.58/1,089,653.91 = 427,030.81/x
  3. Step 3: Cross multiply
    789,606.58x = 1,089,653.91 × 427,030.81
  4. Step 4: Simplify right side
    789,606.58x = 465,315,791,806.97
  5. Step 5: Solve for x
    x = 465,315,791,806.97/789,606.58
  6. Step 6: Final answer
    x = 589,300.80

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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.