Finding the Fourth Proportional to 809,284.68, 1,116,812.97 and 446,708.70
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Solution
The fourth proportional to 809,284.68, 1,116,812.97 and 446,708.70 is: 616,458.07
Step by Step Solution
- Step 1: Write the proportion equation
809,284.68 : 1,116,812.97 = 446,708.70 : x - Step 2: Convert to fraction form
809,284.68/1,116,812.97 = 446,708.70/x - Step 3: Cross multiply
809,284.68x = 1,116,812.97 × 446,708.70 - Step 4: Simplify right side
809,284.68x = 498,890,069,971.84 - Step 5: Solve for x
x = 498,890,069,971.84/809,284.68 - Step 6: Final answer
x = 616,458.07
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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.