Finding the Fourth Proportional to 946,922.80, 1,420,583.68 and 307,176.58
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Solution
The fourth proportional to 946,922.80, 1,420,583.68 and 307,176.58 is: 460,829.58
Step by Step Solution
- Step 1: Write the proportion equation
946,922.80 : 1,420,583.68 = 307,176.58 : x - Step 2: Convert to fraction form
946,922.80/1,420,583.68 = 307,176.58/x - Step 3: Cross multiply
946,922.80x = 1,420,583.68 × 307,176.58 - Step 4: Simplify right side
946,922.80x = 436,370,036,426.21 - Step 5: Solve for x
x = 436,370,036,426.21/946,922.80 - Step 6: Final answer
x = 460,829.58
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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.