Finding the Fourth Proportional to 788,647.98, 1,088,356.02 and 482,718.26
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Solution
The fourth proportional to 788,647.98, 1,088,356.02 and 482,718.26 is: 666,164.55
Step by Step Solution
- Step 1: Write the proportion equation
788,647.98 : 1,088,356.02 = 482,718.26 : x - Step 2: Convert to fraction form
788,647.98/1,088,356.02 = 482,718.26/x - Step 3: Cross multiply
788,647.98x = 1,088,356.02 × 482,718.26 - Step 4: Simplify right side
788,647.98x = 525,369,324,234.93 - Step 5: Solve for x
x = 525,369,324,234.93/788,647.98 - Step 6: Final answer
x = 666,164.55
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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.