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Finding the Fourth Proportional to 481,464.13, 664,419.47 and 277,513.67

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Solution

The fourth proportional to 481,464.13, 664,419.47 and 277,513.67 is: 382,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,464.13 : 664,419.47 = 277,513.67 : x
  2. Step 2: Convert to fraction form
    481,464.13/664,419.47 = 277,513.67/x
  3. Step 3: Cross multiply
    481,464.13x = 664,419.47 × 277,513.67
  4. Step 4: Simplify right side
    481,464.13x = 184,385,485,539.16
  5. Step 5: Solve for x
    x = 184,385,485,539.16/481,464.13
  6. Step 6: Final answer
    x = 382,968.27

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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.