Home / 488,922.15-733,815.23-288,992.55

Finding the Fourth Proportional to 488,922.15, 733,815.23 and 288,992.55

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Solution

The fourth proportional to 488,922.15, 733,815.23 and 288,992.55 is: 433,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,922.15 : 733,815.23 = 288,992.55 : x
  2. Step 2: Convert to fraction form
    488,922.15/733,815.23 = 288,992.55/x
  3. Step 3: Cross multiply
    488,922.15x = 733,815.23 × 288,992.55
  4. Step 4: Simplify right side
    488,922.15x = 212,067,133,101.57
  5. Step 5: Solve for x
    x = 212,067,133,101.57/488,922.15
  6. Step 6: Final answer
    x = 433,744.17

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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.