Finding the Fourth Proportional to 623,443.08, 860,351.08 and 336,963.18
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Solution
The fourth proportional to 623,443.08, 860,351.08 and 336,963.18 is: 465,008.99
Step by Step Solution
- Step 1: Write the proportion equation
623,443.08 : 860,351.08 = 336,963.18 : x - Step 2: Convert to fraction form
623,443.08/860,351.08 = 336,963.18/x - Step 3: Cross multiply
623,443.08x = 860,351.08 × 336,963.18 - Step 4: Simplify right side
623,443.08x = 289,906,635,833.23 - Step 5: Solve for x
x = 289,906,635,833.23/623,443.08 - Step 6: Final answer
x = 465,008.99
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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.