Home / 873,820.67-1,310,777.72-274,828.54

Finding the Fourth Proportional to 873,820.67, 1,310,777.72 and 274,828.54

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Solution

The fourth proportional to 873,820.67, 1,310,777.72 and 274,828.54 is: 412,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,820.67 : 1,310,777.72 = 274,828.54 : x
  2. Step 2: Convert to fraction form
    873,820.67/1,310,777.72 = 274,828.54/x
  3. Step 3: Cross multiply
    873,820.67x = 1,310,777.72 × 274,828.54
  4. Step 4: Simplify right side
    873,820.67x = 360,239,119,124.10
  5. Step 5: Solve for x
    x = 360,239,119,124.10/873,820.67
  6. Step 6: Final answer
    x = 412,257.49

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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.