Finding the Fourth Proportional to 676,715.51, 933,855.19 and 401,258.75
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Solution
The fourth proportional to 676,715.51, 933,855.19 and 401,258.75 is: 553,729.82
Step by Step Solution
- Step 1: Write the proportion equation
676,715.51 : 933,855.19 = 401,258.75 : x - Step 2: Convert to fraction form
676,715.51/933,855.19 = 401,258.75/x - Step 3: Cross multiply
676,715.51x = 933,855.19 × 401,258.75 - Step 4: Simplify right side
676,715.51x = 374,717,560,547.99 - Step 5: Solve for x
x = 374,717,560,547.99/676,715.51 - Step 6: Final answer
x = 553,729.82
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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.