Home / 347,406.06-520,195.50-279,577.44

Finding the Fourth Proportional to 347,406.06, 520,195.50 and 279,577.44

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Solution

The fourth proportional to 347,406.06, 520,195.50 and 279,577.44 is: 418,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,406.06 : 520,195.50 = 279,577.44 : x
  2. Step 2: Convert to fraction form
    347,406.06/520,195.50 = 279,577.44/x
  3. Step 3: Cross multiply
    347,406.06x = 520,195.50 × 279,577.44
  4. Step 4: Simplify right side
    347,406.06x = 145,434,926,189.52
  5. Step 5: Solve for x
    x = 145,434,926,189.52/347,406.06
  6. Step 6: Final answer
    x = 418,630.94

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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.