Home / 413,736.20-620,604.30-293,013.80

Finding the Fourth Proportional to 413,736.20, 620,604.30 and 293,013.80

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Solution

The fourth proportional to 413,736.20, 620,604.30 and 293,013.80 is: 439,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,736.20 : 620,604.30 = 293,013.80 : x
  2. Step 2: Convert to fraction form
    413,736.20/620,604.30 = 293,013.80/x
  3. Step 3: Cross multiply
    413,736.20x = 620,604.30 × 293,013.80
  4. Step 4: Simplify right side
    413,736.20x = 181,845,624,239.34
  5. Step 5: Solve for x
    x = 181,845,624,239.34/413,736.20
  6. Step 6: Final answer
    x = 439,520.70

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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.