Home / 921,166.88-1,381,999.08-281,453.18

Finding the Fourth Proportional to 921,166.88, 1,381,999.08 and 281,453.18

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Solution

The fourth proportional to 921,166.88, 1,381,999.08 and 281,453.18 is: 422,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,166.88 : 1,381,999.08 = 281,453.18 : x
  2. Step 2: Convert to fraction form
    921,166.88/1,381,999.08 = 281,453.18/x
  3. Step 3: Cross multiply
    921,166.88x = 1,381,999.08 × 281,453.18
  4. Step 4: Simplify right side
    921,166.88x = 388,968,029,968.53
  5. Step 5: Solve for x
    x = 388,968,029,968.53/921,166.88
  6. Step 6: Final answer
    x = 422,255.77

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1.5x scale

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.