Home / 718,895.25-1,078,249.19-213,446.07

Finding the Fourth Proportional to 718,895.25, 1,078,249.19 and 213,446.07

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Solution

The fourth proportional to 718,895.25, 1,078,249.19 and 213,446.07 is: 320,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,895.25 : 1,078,249.19 = 213,446.07 : x
  2. Step 2: Convert to fraction form
    718,895.25/1,078,249.19 = 213,446.07/x
  3. Step 3: Cross multiply
    718,895.25x = 1,078,249.19 × 213,446.07
  4. Step 4: Simplify right side
    718,895.25x = 230,148,051,018.95
  5. Step 5: Solve for x
    x = 230,148,051,018.95/718,895.25
  6. Step 6: Final answer
    x = 320,141.29

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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.