Home / 559,452.96-839,092.30-306,857.72

Finding the Fourth Proportional to 559,452.96, 839,092.30 and 306,857.72

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Solution

The fourth proportional to 559,452.96, 839,092.30 and 306,857.72 is: 460,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,452.96 : 839,092.30 = 306,857.72 : x
  2. Step 2: Convert to fraction form
    559,452.96/839,092.30 = 306,857.72/x
  3. Step 3: Cross multiply
    559,452.96x = 839,092.30 × 306,857.72
  4. Step 4: Simplify right side
    559,452.96x = 257,481,950,047.56
  5. Step 5: Solve for x
    x = 257,481,950,047.56/559,452.96
  6. Step 6: Final answer
    x = 460,238.78

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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.