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Finding the Fourth Proportional to 449,820.81, 620,752.18 and 245,873.07

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Solution

The fourth proportional to 449,820.81, 620,752.18 and 245,873.07 is: 339,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,820.81 : 620,752.18 = 245,873.07 : x
  2. Step 2: Convert to fraction form
    449,820.81/620,752.18 = 245,873.07/x
  3. Step 3: Cross multiply
    449,820.81x = 620,752.18 × 245,873.07
  4. Step 4: Simplify right side
    449,820.81x = 152,626,244,205.79
  5. Step 5: Solve for x
    x = 152,626,244,205.79/449,820.81
  6. Step 6: Final answer
    x = 339,304.54

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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.