Finding the Fourth Proportional to 931,998.96, 1,286,591.76 and 702,649.08
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Solution
The fourth proportional to 931,998.96, 1,286,591.76 and 702,649.08 is: 969,982.32
Step by Step Solution
- Step 1: Write the proportion equation
931,998.96 : 1,286,591.76 = 702,649.08 : x - Step 2: Convert to fraction form
931,998.96/1,286,591.76 = 702,649.08/x - Step 3: Cross multiply
931,998.96x = 1,286,591.76 × 702,649.08 - Step 4: Simplify right side
931,998.96x = 904,022,516,499.58 - Step 5: Solve for x
x = 904,022,516,499.58/931,998.96 - Step 6: Final answer
x = 969,982.32
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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.