Home / 380,457.19-523,835.91-322,977.36

Finding the Fourth Proportional to 380,457.19, 523,835.91 and 322,977.36

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Solution

The fourth proportional to 380,457.19, 523,835.91 and 322,977.36 is: 444,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,457.19 : 523,835.91 = 322,977.36 : x
  2. Step 2: Convert to fraction form
    380,457.19/523,835.91 = 322,977.36/x
  3. Step 3: Cross multiply
    380,457.19x = 523,835.91 × 322,977.36
  4. Step 4: Simplify right side
    380,457.19x = 169,187,139,285.00
  5. Step 5: Solve for x
    x = 169,187,139,285.00/380,457.19
  6. Step 6: Final answer
    x = 444,694.29

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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.