Finding the Fourth Proportional to 721,963.18, 995,996.36 and 435,324.03
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Solution
The fourth proportional to 721,963.18, 995,996.36 and 435,324.03 is: 600,558.53
Step by Step Solution
- Step 1: Write the proportion equation
721,963.18 : 995,996.36 = 435,324.03 : x - Step 2: Convert to fraction form
721,963.18/995,996.36 = 435,324.03/x - Step 3: Cross multiply
721,963.18x = 995,996.36 × 435,324.03 - Step 4: Simplify right side
721,963.18x = 433,581,149,300.53 - Step 5: Solve for x
x = 433,581,149,300.53/721,963.18 - Step 6: Final answer
x = 600,558.53
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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.