Home / 691,123.44-1,036,257.48-269,904

Finding the Fourth Proportional to 691,123.44, 1,036,257.48 and 269,904

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Solution

The fourth proportional to 691,123.44, 1,036,257.48 and 269,904 is: 404,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,123.44 : 1,036,257.48 = 269,904 : x
  2. Step 2: Convert to fraction form
    691,123.44/1,036,257.48 = 269,904/x
  3. Step 3: Cross multiply
    691,123.44x = 1,036,257.48 × 269,904
  4. Step 4: Simplify right side
    691,123.44x = 279,690,038,881.92
  5. Step 5: Solve for x
    x = 279,690,038,881.92/691,123.44
  6. Step 6: Final answer
    x = 404,688.98

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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.