Finding the Fourth Proportional to 756,719.98, 1,043,683.09 and 484,813.35
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Solution
The fourth proportional to 756,719.98, 1,043,683.09 and 484,813.35 is: 668,664.11
Step by Step Solution
- Step 1: Write the proportion equation
756,719.98 : 1,043,683.09 = 484,813.35 : x - Step 2: Convert to fraction form
756,719.98/1,043,683.09 = 484,813.35/x - Step 3: Cross multiply
756,719.98x = 1,043,683.09 × 484,813.35 - Step 4: Simplify right side
756,719.98x = 505,991,493,989.22 - Step 5: Solve for x
x = 505,991,493,989.22/756,719.98 - Step 6: Final answer
x = 668,664.11
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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.