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Finding the Fourth Proportional to 656,964.90, 985,119.30 and 301,577.40

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Solution

The fourth proportional to 656,964.90, 985,119.30 and 301,577.40 is: 452,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,964.90 : 985,119.30 = 301,577.40 : x
  2. Step 2: Convert to fraction form
    656,964.90/985,119.30 = 301,577.40/x
  3. Step 3: Cross multiply
    656,964.90x = 985,119.30 × 301,577.40
  4. Step 4: Simplify right side
    656,964.90x = 297,089,717,183.82
  5. Step 5: Solve for x
    x = 297,089,717,183.82/656,964.90
  6. Step 6: Final answer
    x = 452,215.51

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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.