Finding the Fourth Proportional to 914,805.41, 1,262,459.16 and 506,869.09
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Solution
The fourth proportional to 914,805.41, 1,262,459.16 and 506,869.09 is: 699,494.69
Step by Step Solution
- Step 1: Write the proportion equation
914,805.41 : 1,262,459.16 = 506,869.09 : x - Step 2: Convert to fraction form
914,805.41/1,262,459.16 = 506,869.09/x - Step 3: Cross multiply
914,805.41x = 1,262,459.16 × 506,869.09 - Step 4: Simplify right side
914,805.41x = 639,901,522,435.22 - Step 5: Solve for x
x = 639,901,522,435.22/914,805.41 - Step 6: Final answer
x = 699,494.69
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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.