Finding the Fourth Proportional to 419,251.00, 578,925.99 and 405,693.81
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Solution
The fourth proportional to 419,251.00, 578,925.99 and 405,693.81 is: 560,205.43
Step by Step Solution
- Step 1: Write the proportion equation
419,251.00 : 578,925.99 = 405,693.81 : x - Step 2: Convert to fraction form
419,251.00/578,925.99 = 405,693.81/x - Step 3: Cross multiply
419,251.00x = 578,925.99 × 405,693.81 - Step 4: Simplify right side
419,251.00x = 234,866,689,505.64 - Step 5: Solve for x
x = 234,866,689,505.64/419,251.00 - Step 6: Final answer
x = 560,205.43
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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.