Finding the Fourth Proportional to 861,316.68, 1,188,615.24 and 534,508.02
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Solution
The fourth proportional to 861,316.68, 1,188,615.24 and 534,508.02 is: 737,619.96
Step by Step Solution
- Step 1: Write the proportion equation
861,316.68 : 1,188,615.24 = 534,508.02 : x - Step 2: Convert to fraction form
861,316.68/1,188,615.24 = 534,508.02/x - Step 3: Cross multiply
861,316.68x = 1,188,615.24 × 534,508.02 - Step 4: Simplify right side
861,316.68x = 635,324,378,474.23 - Step 5: Solve for x
x = 635,324,378,474.23/861,316.68 - Step 6: Final answer
x = 737,619.96
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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.