Home / 907,588.40-1,361,512.20-308,577.20

Finding the Fourth Proportional to 907,588.40, 1,361,512.20 and 308,577.20

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Solution

The fourth proportional to 907,588.40, 1,361,512.20 and 308,577.20 is: 462,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,588.40 : 1,361,512.20 = 308,577.20 : x
  2. Step 2: Convert to fraction form
    907,588.40/1,361,512.20 = 308,577.20/x
  3. Step 3: Cross multiply
    907,588.40x = 1,361,512.20 × 308,577.20
  4. Step 4: Simplify right side
    907,588.40x = 420,131,622,441.84
  5. Step 5: Solve for x
    x = 420,131,622,441.84/907,588.40
  6. Step 6: Final answer
    x = 462,909.86

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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.