Finding the Fourth Proportional to 756,368.28, 1,043,788.21 and 416,836.53
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Solution
The fourth proportional to 756,368.28, 1,043,788.21 and 416,836.53 is: 575,234.40
Step by Step Solution
- Step 1: Write the proportion equation
756,368.28 : 1,043,788.21 = 416,836.53 : x - Step 2: Convert to fraction form
756,368.28/1,043,788.21 = 416,836.53/x - Step 3: Cross multiply
756,368.28x = 1,043,788.21 × 416,836.53 - Step 4: Simplify right side
756,368.28x = 435,089,055,511.31 - Step 5: Solve for x
x = 435,089,055,511.31/756,368.28 - Step 6: Final answer
x = 575,234.40
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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.