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Finding the Fourth Proportional to 481,460.82, 665,108.01 and 384,537.42

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Solution

The fourth proportional to 481,460.82, 665,108.01 and 384,537.42 is: 531,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,460.82 : 665,108.01 = 384,537.42 : x
  2. Step 2: Convert to fraction form
    481,460.82/665,108.01 = 384,537.42/x
  3. Step 3: Cross multiply
    481,460.82x = 665,108.01 × 384,537.42
  4. Step 4: Simplify right side
    481,460.82x = 255,758,918,186.73
  5. Step 5: Solve for x
    x = 255,758,918,186.73/481,460.82
  6. Step 6: Final answer
    x = 531,214.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.