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Finding the Fourth Proportional to 380,505.33, 523,901.12 and 323,030.97

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Solution

The fourth proportional to 380,505.33, 523,901.12 and 323,030.97 is: 444,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,505.33 : 523,901.12 = 323,030.97 : x
  2. Step 2: Convert to fraction form
    380,505.33/523,901.12 = 323,030.97/x
  3. Step 3: Cross multiply
    380,505.33x = 523,901.12 × 323,030.97
  4. Step 4: Simplify right side
    380,505.33x = 169,236,285,362.53
  5. Step 5: Solve for x
    x = 169,236,285,362.53/380,505.33
  6. Step 6: Final answer
    x = 444,767.19

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1.5x scale

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.