Home / 436,640.19-654,922.77-265,817.55

Finding the Fourth Proportional to 436,640.19, 654,922.77 and 265,817.55

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Solution

The fourth proportional to 436,640.19, 654,922.77 and 265,817.55 is: 398,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,640.19 : 654,922.77 = 265,817.55 : x
  2. Step 2: Convert to fraction form
    436,640.19/654,922.77 = 265,817.55/x
  3. Step 3: Cross multiply
    436,640.19x = 654,922.77 × 265,817.55
  4. Step 4: Simplify right side
    436,640.19x = 174,089,966,160.61
  5. Step 5: Solve for x
    x = 174,089,966,160.61/436,640.19
  6. Step 6: Final answer
    x = 398,703.49

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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.