Finding the Fourth Proportional to 965,139.14, 1,331,893.58 and 535,419.27
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Solution
The fourth proportional to 965,139.14, 1,331,893.58 and 535,419.27 is: 738,879.46
Step by Step Solution
- Step 1: Write the proportion equation
965,139.14 : 1,331,893.58 = 535,419.27 : x - Step 2: Convert to fraction form
965,139.14/1,331,893.58 = 535,419.27/x - Step 3: Cross multiply
965,139.14x = 1,331,893.58 × 535,419.27 - Step 4: Simplify right side
965,139.14x = 713,121,485,644.19 - Step 5: Solve for x
x = 713,121,485,644.19/965,139.14 - Step 6: Final answer
x = 738,879.46
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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.