Home / 425,786.06-637,641.58-281,604.04

Finding the Fourth Proportional to 425,786.06, 637,641.58 and 281,604.04

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Solution

The fourth proportional to 425,786.06, 637,641.58 and 281,604.04 is: 421,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,786.06 : 637,641.58 = 281,604.04 : x
  2. Step 2: Convert to fraction form
    425,786.06/637,641.58 = 281,604.04/x
  3. Step 3: Cross multiply
    425,786.06x = 637,641.58 × 281,604.04
  4. Step 4: Simplify right side
    425,786.06x = 179,562,444,999.98
  5. Step 5: Solve for x
    x = 179,562,444,999.98/425,786.06
  6. Step 6: Final answer
    x = 421,719.88

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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.