Finding the Fourth Proportional to 646,116.24, 891,691.93 and 374,188.91
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Solution
The fourth proportional to 646,116.24, 891,691.93 and 374,188.91 is: 516,410.53
Step by Step Solution
- Step 1: Write the proportion equation
646,116.24 : 891,691.93 = 374,188.91 : x - Step 2: Convert to fraction form
646,116.24/891,691.93 = 374,188.91/x - Step 3: Cross multiply
646,116.24x = 891,691.93 × 374,188.91 - Step 4: Simplify right side
646,116.24x = 333,661,229,471.55 - Step 5: Solve for x
x = 333,661,229,471.55/646,116.24 - Step 6: Final answer
x = 516,410.53
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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.