Home / 427,819.81-590,669.87-274,916.92

Finding the Fourth Proportional to 427,819.81, 590,669.87 and 274,916.92

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Solution

The fourth proportional to 427,819.81, 590,669.87 and 274,916.92 is: 379,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,819.81 : 590,669.87 = 274,916.92 : x
  2. Step 2: Convert to fraction form
    427,819.81/590,669.87 = 274,916.92/x
  3. Step 3: Cross multiply
    427,819.81x = 590,669.87 × 274,916.92
  4. Step 4: Simplify right side
    427,819.81x = 162,385,141,397.20
  5. Step 5: Solve for x
    x = 162,385,141,397.20/427,819.81
  6. Step 6: Final answer
    x = 379,564.33

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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.