Finding the Fourth Proportional to 821,881.50, 1,134,098.25 and 454,308.99
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Solution
The fourth proportional to 821,881.50, 1,134,098.25 and 454,308.99 is: 626,892.10
Step by Step Solution
- Step 1: Write the proportion equation
821,881.50 : 1,134,098.25 = 454,308.99 : x - Step 2: Convert to fraction form
821,881.50/1,134,098.25 = 454,308.99/x - Step 3: Cross multiply
821,881.50x = 1,134,098.25 × 454,308.99 - Step 4: Simplify right side
821,881.50x = 515,231,022,576.23 - Step 5: Solve for x
x = 515,231,022,576.23/821,881.50 - Step 6: Final answer
x = 626,892.10
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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.