Finding the Fourth Proportional to 931,995.96, 1,286,587.44 and 702,646.08
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Solution
The fourth proportional to 931,995.96, 1,286,587.44 and 702,646.08 is: 969,978.05
Step by Step Solution
- Step 1: Write the proportion equation
931,995.96 : 1,286,587.44 = 702,646.08 : x - Step 2: Convert to fraction form
931,995.96/1,286,587.44 = 702,646.08/x - Step 3: Cross multiply
931,995.96x = 1,286,587.44 × 702,646.08 - Step 4: Simplify right side
931,995.96x = 904,015,621,293.24 - Step 5: Solve for x
x = 904,015,621,293.24/931,995.96 - Step 6: Final answer
x = 969,978.05
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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.