Finding the Fourth Proportional to 873,673.53, 1,205,708.27 and 491,725.05
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Solution
The fourth proportional to 873,673.53, 1,205,708.27 and 491,725.05 is: 678,602.40
Step by Step Solution
- Step 1: Write the proportion equation
873,673.53 : 1,205,708.27 = 491,725.05 : x - Step 2: Convert to fraction form
873,673.53/1,205,708.27 = 491,725.05/x - Step 3: Cross multiply
873,673.53x = 1,205,708.27 × 491,725.05 - Step 4: Simplify right side
873,673.53x = 592,876,956,892.54 - Step 5: Solve for x
x = 592,876,956,892.54/873,673.53 - Step 6: Final answer
x = 678,602.40
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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.