Home / 436,897.20-654,033.60-259,312.80

Finding the Fourth Proportional to 436,897.20, 654,033.60 and 259,312.80

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Solution

The fourth proportional to 436,897.20, 654,033.60 and 259,312.80 is: 388,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,897.20 : 654,033.60 = 259,312.80 : x
  2. Step 2: Convert to fraction form
    436,897.20/654,033.60 = 259,312.80/x
  3. Step 3: Cross multiply
    436,897.20x = 654,033.60 × 259,312.80
  4. Step 4: Simplify right side
    436,897.20x = 169,599,284,110.08
  5. Step 5: Solve for x
    x = 169,599,284,110.08/436,897.20
  6. Step 6: Final answer
    x = 388,190.37

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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.