Home / 436,001.06-601,435.20-274,578.56

Finding the Fourth Proportional to 436,001.06, 601,435.20 and 274,578.56

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Solution

The fourth proportional to 436,001.06, 601,435.20 and 274,578.56 is: 378,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,001.06 : 601,435.20 = 274,578.56 : x
  2. Step 2: Convert to fraction form
    436,001.06/601,435.20 = 274,578.56/x
  3. Step 3: Cross multiply
    436,001.06x = 601,435.20 × 274,578.56
  4. Step 4: Simplify right side
    436,001.06x = 165,141,211,149.31
  5. Step 5: Solve for x
    x = 165,141,211,149.31/436,001.06
  6. Step 6: Final answer
    x = 378,763.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.