Finding the Fourth Proportional to 778,950.54, 1,161,881.17 and 707,195.07
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Solution
The fourth proportional to 778,950.54, 1,161,881.17 and 707,195.07 is: 1,054,850.84
Step by Step Solution
- Step 1: Write the proportion equation
778,950.54 : 1,161,881.17 = 707,195.07 : x - Step 2: Convert to fraction form
778,950.54/1,161,881.17 = 707,195.07/x - Step 3: Cross multiply
778,950.54x = 1,161,881.17 × 707,195.07 - Step 4: Simplify right side
778,950.54x = 821,676,633,581.84 - Step 5: Solve for x
x = 821,676,633,581.84/778,950.54 - Step 6: Final answer
x = 1,054,850.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.