Home / 783,155.28-1,174,733.94-214,541.37

Finding the Fourth Proportional to 783,155.28, 1,174,733.94 and 214,541.37

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Solution

The fourth proportional to 783,155.28, 1,174,733.94 and 214,541.37 is: 321,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,155.28 : 1,174,733.94 = 214,541.37 : x
  2. Step 2: Convert to fraction form
    783,155.28/1,174,733.94 = 214,541.37/x
  3. Step 3: Cross multiply
    783,155.28x = 1,174,733.94 × 214,541.37
  4. Step 4: Simplify right side
    783,155.28x = 252,029,028,873.10
  5. Step 5: Solve for x
    x = 252,029,028,873.10/783,155.28
  6. Step 6: Final answer
    x = 321,812.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.