Finding the Fourth Proportional to 831,268.55, 1,247,369.94 and 452,215.80
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Solution
The fourth proportional to 831,268.55, 1,247,369.94 and 452,215.80 is: 678,577.82
Step by Step Solution
- Step 1: Write the proportion equation
831,268.55 : 1,247,369.94 = 452,215.80 : x - Step 2: Convert to fraction form
831,268.55/1,247,369.94 = 452,215.80/x - Step 3: Cross multiply
831,268.55x = 1,247,369.94 × 452,215.80 - Step 4: Simplify right side
831,268.55x = 564,080,395,313.05 - Step 5: Solve for x
x = 564,080,395,313.05/831,268.55 - Step 6: Final answer
x = 678,577.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.