Home / 885,023.36-1,327,120.32-323,665.28

Finding the Fourth Proportional to 885,023.36, 1,327,120.32 and 323,665.28

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Solution

The fourth proportional to 885,023.36, 1,327,120.32 and 323,665.28 is: 485,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,023.36 : 1,327,120.32 = 323,665.28 : x
  2. Step 2: Convert to fraction form
    885,023.36/1,327,120.32 = 323,665.28/x
  3. Step 3: Cross multiply
    885,023.36x = 1,327,120.32 × 323,665.28
  4. Step 4: Simplify right side
    885,023.36x = 429,542,769,966.49
  5. Step 5: Solve for x
    x = 429,542,769,966.49/885,023.36
  6. Step 6: Final answer
    x = 485,346.25

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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.