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Finding the Fourth Proportional to 448,573.09, 619,023.10 and 244,625.62

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Solution

The fourth proportional to 448,573.09, 619,023.10 and 244,625.62 is: 337,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,573.09 : 619,023.10 = 244,625.62 : x
  2. Step 2: Convert to fraction form
    448,573.09/619,023.10 = 244,625.62/x
  3. Step 3: Cross multiply
    448,573.09x = 619,023.10 × 244,625.62
  4. Step 4: Simplify right side
    448,573.09x = 151,428,905,313.58
  5. Step 5: Solve for x
    x = 151,428,905,313.58/448,573.09
  6. Step 6: Final answer
    x = 337,579.12

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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.