Finding the Fourth Proportional to 965,230.44, 1,331,884.26 and 643,148.52
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Solution
The fourth proportional to 965,230.44, 1,331,884.26 and 643,148.52 is: 887,455.84
Step by Step Solution
- Step 1: Write the proportion equation
965,230.44 : 1,331,884.26 = 643,148.52 : x - Step 2: Convert to fraction form
965,230.44/1,331,884.26 = 643,148.52/x - Step 3: Cross multiply
965,230.44x = 1,331,884.26 × 643,148.52 - Step 4: Simplify right side
965,230.44x = 856,599,390,630.30 - Step 5: Solve for x
x = 856,599,390,630.30/965,230.44 - Step 6: Final answer
x = 887,455.84
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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.