Home / 718,858.20-1,078,102.71-213,299.58

Finding the Fourth Proportional to 718,858.20, 1,078,102.71 and 213,299.58

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Solution

The fourth proportional to 718,858.20, 1,078,102.71 and 213,299.58 is: 319,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,858.20 : 1,078,102.71 = 213,299.58 : x
  2. Step 2: Convert to fraction form
    718,858.20/1,078,102.71 = 213,299.58/x
  3. Step 3: Cross multiply
    718,858.20x = 1,078,102.71 × 213,299.58
  4. Step 4: Simplify right side
    718,858.20x = 229,958,855,239.86
  5. Step 5: Solve for x
    x = 229,958,855,239.86/718,858.20
  6. Step 6: Final answer
    x = 319,894.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.