Finding the Fourth Proportional to 809,316.87, 1,116,850.98 and 446,740.84
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Solution
The fourth proportional to 809,316.87, 1,116,850.98 and 446,740.84 is: 616,498.88
Step by Step Solution
- Step 1: Write the proportion equation
809,316.87 : 1,116,850.98 = 446,740.84 : x - Step 2: Convert to fraction form
809,316.87/1,116,850.98 = 446,740.84/x - Step 3: Cross multiply
809,316.87x = 1,116,850.98 × 446,740.84 - Step 4: Simplify right side
809,316.87x = 498,942,944,960.02 - Step 5: Solve for x
x = 498,942,944,960.02/809,316.87 - Step 6: Final answer
x = 616,498.88
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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.