Finding the Fourth Proportional to 623,954.68, 860,983.36 and 352,006.70
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Solution
The fourth proportional to 623,954.68, 860,983.36 and 352,006.70 is: 485,727.44
Step by Step Solution
- Step 1: Write the proportion equation
623,954.68 : 860,983.36 = 352,006.70 : x - Step 2: Convert to fraction form
623,954.68/860,983.36 = 352,006.70/x - Step 3: Cross multiply
623,954.68x = 860,983.36 × 352,006.70 - Step 4: Simplify right side
623,954.68x = 303,071,906,123.58 - Step 5: Solve for x
x = 303,071,906,123.58/623,954.68 - Step 6: Final answer
x = 485,727.44
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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.