Home / 449,635.91-620,490.04-245,682.36

Finding the Fourth Proportional to 449,635.91, 620,490.04 and 245,682.36

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Solution

The fourth proportional to 449,635.91, 620,490.04 and 245,682.36 is: 339,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,635.91 : 620,490.04 = 245,682.36 : x
  2. Step 2: Convert to fraction form
    449,635.91/620,490.04 = 245,682.36/x
  3. Step 3: Cross multiply
    449,635.91x = 620,490.04 × 245,682.36
  4. Step 4: Simplify right side
    449,635.91x = 152,443,456,769.49
  5. Step 5: Solve for x
    x = 152,443,456,769.49/449,635.91
  6. Step 6: Final answer
    x = 339,037.55

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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.