Home / 891,811.07-1,337,855.72-292,635.85

Finding the Fourth Proportional to 891,811.07, 1,337,855.72 and 292,635.85

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Solution

The fourth proportional to 891,811.07, 1,337,855.72 and 292,635.85 is: 438,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,811.07 : 1,337,855.72 = 292,635.85 : x
  2. Step 2: Convert to fraction form
    891,811.07/1,337,855.72 = 292,635.85/x
  3. Step 3: Cross multiply
    891,811.07x = 1,337,855.72 × 292,635.85
  4. Step 4: Simplify right side
    891,811.07x = 391,504,545,799.56
  5. Step 5: Solve for x
    x = 391,504,545,799.56/891,811.07
  6. Step 6: Final answer
    x = 438,999.42

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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.