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Finding the Fourth Proportional to 479,630.36, 661,842.72 and 264,756.56

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Solution

The fourth proportional to 479,630.36, 661,842.72 and 264,756.56 is: 365,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,630.36 : 661,842.72 = 264,756.56 : x
  2. Step 2: Convert to fraction form
    479,630.36/661,842.72 = 264,756.56/x
  3. Step 3: Cross multiply
    479,630.36x = 661,842.72 × 264,756.56
  4. Step 4: Simplify right side
    479,630.36x = 175,227,201,808.24
  5. Step 5: Solve for x
    x = 175,227,201,808.24/479,630.36
  6. Step 6: Final answer
    x = 365,338.01

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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.