Home / 993,896.33-1,490,516.44-319,816.45

Finding the Fourth Proportional to 993,896.33, 1,490,516.44 and 319,816.45

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Solution

The fourth proportional to 993,896.33, 1,490,516.44 and 319,816.45 is: 479,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,896.33 : 1,490,516.44 = 319,816.45 : x
  2. Step 2: Convert to fraction form
    993,896.33/1,490,516.44 = 319,816.45/x
  3. Step 3: Cross multiply
    993,896.33x = 1,490,516.44 × 319,816.45
  4. Step 4: Simplify right side
    993,896.33x = 476,691,677,571.04
  5. Step 5: Solve for x
    x = 476,691,677,571.04/993,896.33
  6. Step 6: Final answer
    x = 479,619.12

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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.