Home / 613,490.22-919,808.42-271,748.12

Finding the Fourth Proportional to 613,490.22, 919,808.42 and 271,748.12

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Solution

The fourth proportional to 613,490.22, 919,808.42 and 271,748.12 is: 407,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,490.22 : 919,808.42 = 271,748.12 : x
  2. Step 2: Convert to fraction form
    613,490.22/919,808.42 = 271,748.12/x
  3. Step 3: Cross multiply
    613,490.22x = 919,808.42 × 271,748.12
  4. Step 4: Simplify right side
    613,490.22x = 249,956,202,937.39
  5. Step 5: Solve for x
    x = 249,956,202,937.39/613,490.22
  6. Step 6: Final answer
    x = 407,433.07

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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.