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Finding the Fourth Proportional to 603,361.58, 905,374.80 and 366,870.33

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Solution

The fourth proportional to 603,361.58, 905,374.80 and 366,870.33 is: 550,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,361.58 : 905,374.80 = 366,870.33 : x
  2. Step 2: Convert to fraction form
    603,361.58/905,374.80 = 366,870.33/x
  3. Step 3: Cross multiply
    603,361.58x = 905,374.80 × 366,870.33
  4. Step 4: Simplify right side
    603,361.58x = 332,155,151,649.68
  5. Step 5: Solve for x
    x = 332,155,151,649.68/603,361.58
  6. Step 6: Final answer
    x = 550,507.63

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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.