Finding the Fourth Proportional to 917,113.08, 1,374,946.11 and 579,441.99
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Solution
The fourth proportional to 917,113.08, 1,374,946.11 and 579,441.99 is: 868,705.87
Step by Step Solution
- Step 1: Write the proportion equation
917,113.08 : 1,374,946.11 = 579,441.99 : x - Step 2: Convert to fraction form
917,113.08/1,374,946.11 = 579,441.99/x - Step 3: Cross multiply
917,113.08x = 1,374,946.11 × 579,441.99 - Step 4: Simplify right side
917,113.08x = 796,701,517,450.11 - Step 5: Solve for x
x = 796,701,517,450.11/917,113.08 - Step 6: Final answer
x = 868,705.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.