Finding the Fourth Proportional to 835,531.68, 1,153,035.18 and 453,558.72
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Solution
The fourth proportional to 835,531.68, 1,153,035.18 and 453,558.72 is: 625,911.83
Step by Step Solution
- Step 1: Write the proportion equation
835,531.68 : 1,153,035.18 = 453,558.72 : x - Step 2: Convert to fraction form
835,531.68/1,153,035.18 = 453,558.72/x - Step 3: Cross multiply
835,531.68x = 1,153,035.18 × 453,558.72 - Step 4: Simplify right side
835,531.68x = 522,969,160,355.77 - Step 5: Solve for x
x = 522,969,160,355.77/835,531.68 - Step 6: Final answer
x = 625,911.83
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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.