Home / 449,889.04-620,848.02-245,942.38

Finding the Fourth Proportional to 449,889.04, 620,848.02 and 245,942.38

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Solution

The fourth proportional to 449,889.04, 620,848.02 and 245,942.38 is: 339,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,889.04 : 620,848.02 = 245,942.38 : x
  2. Step 2: Convert to fraction form
    449,889.04/620,848.02 = 245,942.38/x
  3. Step 3: Cross multiply
    449,889.04x = 620,848.02 × 245,942.38
  4. Step 4: Simplify right side
    449,889.04x = 152,692,839,657.09
  5. Step 5: Solve for x
    x = 152,692,839,657.09/449,889.04
  6. Step 6: Final answer
    x = 339,401.11

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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.