Home / 699,108-1,048,662.42-299,490.24

Finding the Fourth Proportional to 699,108, 1,048,662.42 and 299,490.24

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Solution

The fourth proportional to 699,108, 1,048,662.42 and 299,490.24 is: 449,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,108 : 1,048,662.42 = 299,490.24 : x
  2. Step 2: Convert to fraction form
    699,108/1,048,662.42 = 299,490.24/x
  3. Step 3: Cross multiply
    699,108x = 1,048,662.42 × 299,490.24
  4. Step 4: Simplify right side
    699,108x = 314,064,159,844.78
  5. Step 5: Solve for x
    x = 314,064,159,844.78/699,108
  6. Step 6: Final answer
    x = 449,235.54

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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.