Home / 789,881.36-1,090,033.00-427,304.36

Finding the Fourth Proportional to 789,881.36, 1,090,033.00 and 427,304.36

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Solution

The fourth proportional to 789,881.36, 1,090,033.00 and 427,304.36 is: 589,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,881.36 : 1,090,033.00 = 427,304.36 : x
  2. Step 2: Convert to fraction form
    789,881.36/1,090,033.00 = 427,304.36/x
  3. Step 3: Cross multiply
    789,881.36x = 1,090,033.00 × 427,304.36
  4. Step 4: Simplify right side
    789,881.36x = 465,775,855,100.70
  5. Step 5: Solve for x
    x = 465,775,855,100.70/789,881.36
  6. Step 6: Final answer
    x = 589,678.25

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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.