Finding the Fourth Proportional to 821,384.08, 1,133,397.97 and 458,761.66
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Solution
The fourth proportional to 821,384.08, 1,133,397.97 and 458,761.66 is: 633,028.50
Step by Step Solution
- Step 1: Write the proportion equation
821,384.08 : 1,133,397.97 = 458,761.66 : x - Step 2: Convert to fraction form
821,384.08/1,133,397.97 = 458,761.66/x - Step 3: Cross multiply
821,384.08x = 1,133,397.97 × 458,761.66 - Step 4: Simplify right side
821,384.08x = 519,959,534,157.83 - Step 5: Solve for x
x = 519,959,534,157.83/821,384.08 - Step 6: Final answer
x = 633,028.50
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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.