Finding the Fourth Proportional to 783,795.08, 1,081,721.79 and 444,226.88
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Solution
The fourth proportional to 783,795.08, 1,081,721.79 and 444,226.88 is: 613,081.03
Step by Step Solution
- Step 1: Write the proportion equation
783,795.08 : 1,081,721.79 = 444,226.88 : x - Step 2: Convert to fraction form
783,795.08/1,081,721.79 = 444,226.88/x - Step 3: Cross multiply
783,795.08x = 1,081,721.79 × 444,226.88 - Step 4: Simplify right side
783,795.08x = 480,529,895,799.72 - Step 5: Solve for x
x = 480,529,895,799.72/783,795.08 - Step 6: Final answer
x = 613,081.03
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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.