Home / 789,606.08-1,089,653.22-427,030.32

Finding the Fourth Proportional to 789,606.08, 1,089,653.22 and 427,030.32

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Solution

The fourth proportional to 789,606.08, 1,089,653.22 and 427,030.32 is: 589,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,606.08 : 1,089,653.22 = 427,030.32 : x
  2. Step 2: Convert to fraction form
    789,606.08/1,089,653.22 = 427,030.32/x
  3. Step 3: Cross multiply
    789,606.08x = 1,089,653.22 × 427,030.32
  4. Step 4: Simplify right side
    789,606.08x = 465,314,963,225.63
  5. Step 5: Solve for x
    x = 465,314,963,225.63/789,606.08
  6. Step 6: Final answer
    x = 589,300.13

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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.