Home / 673,144.71-1,009,907.07-274,071.89

Finding the Fourth Proportional to 673,144.71, 1,009,907.07 and 274,071.89

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Solution

The fourth proportional to 673,144.71, 1,009,907.07 and 274,071.89 is: 411,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,144.71 : 1,009,907.07 = 274,071.89 : x
  2. Step 2: Convert to fraction form
    673,144.71/1,009,907.07 = 274,071.89/x
  3. Step 3: Cross multiply
    673,144.71x = 1,009,907.07 × 274,071.89
  4. Step 4: Simplify right side
    673,144.71x = 276,787,135,215.53
  5. Step 5: Solve for x
    x = 276,787,135,215.53/673,144.71
  6. Step 6: Final answer
    x = 411,185.19

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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.