Home / 885,427.56-1,328,142.54-379,661.94

Finding the Fourth Proportional to 885,427.56, 1,328,142.54 and 379,661.94

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Solution

The fourth proportional to 885,427.56, 1,328,142.54 and 379,661.94 is: 569,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,427.56 : 1,328,142.54 = 379,661.94 : x
  2. Step 2: Convert to fraction form
    885,427.56/1,328,142.54 = 379,661.94/x
  3. Step 3: Cross multiply
    885,427.56x = 1,328,142.54 × 379,661.94
  4. Step 4: Simplify right side
    885,427.56x = 504,245,173,332.93
  5. Step 5: Solve for x
    x = 504,245,173,332.93/885,427.56
  6. Step 6: Final answer
    x = 569,493.42

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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.