Finding the Fourth Proportional to 783,795.06, 1,081,646.26 and 434,942.63
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Solution
The fourth proportional to 783,795.06, 1,081,646.26 and 434,942.63 is: 600,225.86
Step by Step Solution
- Step 1: Write the proportion equation
783,795.06 : 1,081,646.26 = 434,942.63 : x - Step 2: Convert to fraction form
783,795.06/1,081,646.26 = 434,942.63/x - Step 3: Cross multiply
783,795.06x = 1,081,646.26 × 434,942.63 - Step 4: Simplify right side
783,795.06x = 470,454,061,471.12 - Step 5: Solve for x
x = 470,454,061,471.12/783,795.06 - Step 6: Final answer
x = 600,225.86
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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.