Home / 812,788.08-1,219,268.52-251,866.32

Finding the Fourth Proportional to 812,788.08, 1,219,268.52 and 251,866.32

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Solution

The fourth proportional to 812,788.08, 1,219,268.52 and 251,866.32 is: 377,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,788.08 : 1,219,268.52 = 251,866.32 : x
  2. Step 2: Convert to fraction form
    812,788.08/1,219,268.52 = 251,866.32/x
  3. Step 3: Cross multiply
    812,788.08x = 1,219,268.52 × 251,866.32
  4. Step 4: Simplify right side
    812,788.08x = 307,092,675,224.25
  5. Step 5: Solve for x
    x = 307,092,675,224.25/812,788.08
  6. Step 6: Final answer
    x = 377,826.25

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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.