Finding the Fourth Proportional to 1,105,466.30, 1,658,013.96 and 306,828.98
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Solution
The fourth proportional to 1,105,466.30, 1,658,013.96 and 306,828.98 is: 460,191.99
Step by Step Solution
- Step 1: Write the proportion equation
1,105,466.30 : 1,658,013.96 = 306,828.98 : x - Step 2: Convert to fraction form
1,105,466.30/1,658,013.96 = 306,828.98/x - Step 3: Cross multiply
1,105,466.30x = 1,658,013.96 × 306,828.98 - Step 4: Simplify right side
1,105,466.30x = 508,726,732,172.56 - Step 5: Solve for x
x = 508,726,732,172.56/1,105,466.30 - Step 6: Final answer
x = 460,191.99
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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.