Home / 427,647.06-589,916.01-274,513.32

Finding the Fourth Proportional to 427,647.06, 589,916.01 and 274,513.32

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Solution

The fourth proportional to 427,647.06, 589,916.01 and 274,513.32 is: 378,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,647.06 : 589,916.01 = 274,513.32 : x
  2. Step 2: Convert to fraction form
    427,647.06/589,916.01 = 274,513.32/x
  3. Step 3: Cross multiply
    427,647.06x = 589,916.01 × 274,513.32
  4. Step 4: Simplify right side
    427,647.06x = 161,939,802,426.25
  5. Step 5: Solve for x
    x = 161,939,802,426.25/427,647.06
  6. Step 6: Final answer
    x = 378,676.29

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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.