Finding the Fourth Proportional to 623,952.97, 860,981.05 and 352,004.99
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Solution
The fourth proportional to 623,952.97, 860,981.05 and 352,004.99 is: 485,725.11
Step by Step Solution
- Step 1: Write the proportion equation
623,952.97 : 860,981.05 = 352,004.99 : x - Step 2: Convert to fraction form
623,952.97/860,981.05 = 352,004.99/x - Step 3: Cross multiply
623,952.97x = 860,981.05 × 352,004.99 - Step 4: Simplify right side
623,952.97x = 303,069,624,893.53 - Step 5: Solve for x
x = 303,069,624,893.53/623,952.97 - Step 6: Final answer
x = 485,725.11
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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.