Home / 728,369.10-1,092,495.30-248,555.88

Finding the Fourth Proportional to 728,369.10, 1,092,495.30 and 248,555.88

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Solution

The fourth proportional to 728,369.10, 1,092,495.30 and 248,555.88 is: 372,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,369.10 : 1,092,495.30 = 248,555.88 : x
  2. Step 2: Convert to fraction form
    728,369.10/1,092,495.30 = 248,555.88/x
  3. Step 3: Cross multiply
    728,369.10x = 1,092,495.30 × 248,555.88
  4. Step 4: Simplify right side
    728,369.10x = 271,546,130,687.36
  5. Step 5: Solve for x
    x = 271,546,130,687.36/728,369.10
  6. Step 6: Final answer
    x = 372,813.91

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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.