Finding the Fourth Proportional to 959,478.66, 1,440,933.36 and 920,905.98
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Solution
The fourth proportional to 959,478.66, 1,440,933.36 and 920,905.98 is: 1,383,005.38
Step by Step Solution
- Step 1: Write the proportion equation
959,478.66 : 1,440,933.36 = 920,905.98 : x - Step 2: Convert to fraction form
959,478.66/1,440,933.36 = 920,905.98/x - Step 3: Cross multiply
959,478.66x = 1,440,933.36 × 920,905.98 - Step 4: Simplify right side
959,478.66x = 1,326,964,148,005.49 - Step 5: Solve for x
x = 1,326,964,148,005.49/959,478.66 - Step 6: Final answer
x = 1,383,005.38
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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.