Finding the Fourth Proportional to 821,323.92, 1,133,414.88 and 458,753.06
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Solution
The fourth proportional to 821,323.92, 1,133,414.88 and 458,753.06 is: 633,072.45
Step by Step Solution
- Step 1: Write the proportion equation
821,323.92 : 1,133,414.88 = 458,753.06 : x - Step 2: Convert to fraction form
821,323.92/1,133,414.88 = 458,753.06/x - Step 3: Cross multiply
821,323.92x = 1,133,414.88 × 458,753.06 - Step 4: Simplify right side
821,323.92x = 519,957,544,449.53 - Step 5: Solve for x
x = 519,957,544,449.53/821,323.92 - Step 6: Final answer
x = 633,072.45
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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.