Finding the Fourth Proportional to 762,359.18, 1,052,088.62 and 456,376.28
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Solution
The fourth proportional to 762,359.18, 1,052,088.62 and 456,376.28 is: 629,818.99
Step by Step Solution
- Step 1: Write the proportion equation
762,359.18 : 1,052,088.62 = 456,376.28 : x - Step 2: Convert to fraction form
762,359.18/1,052,088.62 = 456,376.28/x - Step 3: Cross multiply
762,359.18x = 1,052,088.62 × 456,376.28 - Step 4: Simplify right side
762,359.18x = 480,148,283,083.61 - Step 5: Solve for x
x = 480,148,283,083.61/762,359.18 - Step 6: Final answer
x = 629,818.99
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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.