Finding the Fourth Proportional to 764,822.36, 1,055,480.42 and 420,672.80
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Solution
The fourth proportional to 764,822.36, 1,055,480.42 and 420,672.80 is: 580,542.52
Step by Step Solution
- Step 1: Write the proportion equation
764,822.36 : 1,055,480.42 = 420,672.80 : x - Step 2: Convert to fraction form
764,822.36/1,055,480.42 = 420,672.80/x - Step 3: Cross multiply
764,822.36x = 1,055,480.42 × 420,672.80 - Step 4: Simplify right side
764,822.36x = 444,011,903,626.58 - Step 5: Solve for x
x = 444,011,903,626.58/764,822.36 - Step 6: Final answer
x = 580,542.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.