Finding the Fourth Proportional to 702,440.10, 1,053,014.27 and 253,051.09
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Solution
The fourth proportional to 702,440.10, 1,053,014.27 and 253,051.09 is: 379,343.95
Step by Step Solution
- Step 1: Write the proportion equation
702,440.10 : 1,053,014.27 = 253,051.09 : x - Step 2: Convert to fraction form
702,440.10/1,053,014.27 = 253,051.09/x - Step 3: Cross multiply
702,440.10x = 1,053,014.27 × 253,051.09 - Step 4: Simplify right side
702,440.10x = 266,466,404,911.26 - Step 5: Solve for x
x = 266,466,404,911.26/702,440.10 - Step 6: Final answer
x = 379,343.95
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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.