Home / 531,456-733,438.44-305,116.08

Finding the Fourth Proportional to 531,456, 733,438.44 and 305,116.08

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Solution

The fourth proportional to 531,456, 733,438.44 and 305,116.08 is: 421,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,456 : 733,438.44 = 305,116.08 : x
  2. Step 2: Convert to fraction form
    531,456/733,438.44 = 305,116.08/x
  3. Step 3: Cross multiply
    531,456x = 733,438.44 × 305,116.08
  4. Step 4: Simplify right side
    531,456x = 223,783,861,734.12
  5. Step 5: Solve for x
    x = 223,783,861,734.12/531,456
  6. Step 6: Final answer
    x = 421,076.93

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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.