Home / 380,457.69-523,836.60-322,977.86

Finding the Fourth Proportional to 380,457.69, 523,836.60 and 322,977.86

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Solution

The fourth proportional to 380,457.69, 523,836.60 and 322,977.86 is: 444,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,457.69 : 523,836.60 = 322,977.86 : x
  2. Step 2: Convert to fraction form
    380,457.69/523,836.60 = 322,977.86/x
  3. Step 3: Cross multiply
    380,457.69x = 523,836.60 × 322,977.86
  4. Step 4: Simplify right side
    380,457.69x = 169,187,624,057.68
  5. Step 5: Solve for x
    x = 169,187,624,057.68/380,457.69
  6. Step 6: Final answer
    x = 444,694.98

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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.