Finding the Fourth Proportional to 623,954.07, 860,982.56 and 352,006.09
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Solution
The fourth proportional to 623,954.07, 860,982.56 and 352,006.09 is: 485,726.62
Step by Step Solution
- Step 1: Write the proportion equation
623,954.07 : 860,982.56 = 352,006.09 : x - Step 2: Convert to fraction form
623,954.07/860,982.56 = 352,006.09/x - Step 3: Cross multiply
623,954.07x = 860,982.56 × 352,006.09 - Step 4: Simplify right side
623,954.07x = 303,071,098,438.85 - Step 5: Solve for x
x = 303,071,098,438.85/623,954.07 - Step 6: Final answer
x = 485,726.62
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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.