Finding the Fourth Proportional to 853,971.73, 1,177,717.74 and 708,547.29
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Solution
The fourth proportional to 853,971.73, 1,177,717.74 and 708,547.29 is: 977,161.99
Step by Step Solution
- Step 1: Write the proportion equation
853,971.73 : 1,177,717.74 = 708,547.29 : x - Step 2: Convert to fraction form
853,971.73/1,177,717.74 = 708,547.29/x - Step 3: Cross multiply
853,971.73x = 1,177,717.74 × 708,547.29 - Step 4: Simplify right side
853,971.73x = 834,468,715,765.57 - Step 5: Solve for x
x = 834,468,715,765.57/853,971.73 - Step 6: Final answer
x = 977,161.99
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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.