Home / 436,905.20-654,045.60-259,320.80

Finding the Fourth Proportional to 436,905.20, 654,045.60 and 259,320.80

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Solution

The fourth proportional to 436,905.20, 654,045.60 and 259,320.80 is: 388,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,905.20 : 654,045.60 = 259,320.80 : x
  2. Step 2: Convert to fraction form
    436,905.20/654,045.60 = 259,320.80/x
  3. Step 3: Cross multiply
    436,905.20x = 654,045.60 × 259,320.80
  4. Step 4: Simplify right side
    436,905.20x = 169,607,628,228.48
  5. Step 5: Solve for x
    x = 169,607,628,228.48/436,905.20
  6. Step 6: Final answer
    x = 388,202.36

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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.