Home / 436,268.80-654,403.20-288,524.80

Finding the Fourth Proportional to 436,268.80, 654,403.20 and 288,524.80

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Solution

The fourth proportional to 436,268.80, 654,403.20 and 288,524.80 is: 432,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,268.80 : 654,403.20 = 288,524.80 : x
  2. Step 2: Convert to fraction form
    436,268.80/654,403.20 = 288,524.80/x
  3. Step 3: Cross multiply
    436,268.80x = 654,403.20 × 288,524.80
  4. Step 4: Simplify right side
    436,268.80x = 188,811,552,399.36
  5. Step 5: Solve for x
    x = 188,811,552,399.36/436,268.80
  6. Step 6: Final answer
    x = 432,787.20

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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.