Home / 921,192.42-1,381,788.62-359,833.26

Finding the Fourth Proportional to 921,192.42, 1,381,788.62 and 359,833.26

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Solution

The fourth proportional to 921,192.42, 1,381,788.62 and 359,833.26 is: 539,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,192.42 : 1,381,788.62 = 359,833.26 : x
  2. Step 2: Convert to fraction form
    921,192.42/1,381,788.62 = 359,833.26/x
  3. Step 3: Cross multiply
    921,192.42x = 1,381,788.62 × 359,833.26
  4. Step 4: Simplify right side
    921,192.42x = 497,213,503,765.50
  5. Step 5: Solve for x
    x = 497,213,503,765.50/921,192.42
  6. Step 6: Final answer
    x = 539,749.89

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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.