Home / 458,868.82-688,741.04-281,721.82

Finding the Fourth Proportional to 458,868.82, 688,741.04 and 281,721.82

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Solution

The fourth proportional to 458,868.82, 688,741.04 and 281,721.82 is: 422,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,868.82 : 688,741.04 = 281,721.82 : x
  2. Step 2: Convert to fraction form
    458,868.82/688,741.04 = 281,721.82/x
  3. Step 3: Cross multiply
    458,868.82x = 688,741.04 × 281,721.82
  4. Step 4: Simplify right side
    458,868.82x = 194,033,379,297.49
  5. Step 5: Solve for x
    x = 194,033,379,297.49/458,868.82
  6. Step 6: Final answer
    x = 422,851.52

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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.