Finding the Fourth Proportional to 702,338.56, 1,053,617.28 and 228,914.08
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Solution
The fourth proportional to 702,338.56, 1,053,617.28 and 228,914.08 is: 343,406.79
Step by Step Solution
- Step 1: Write the proportion equation
702,338.56 : 1,053,617.28 = 228,914.08 : x - Step 2: Convert to fraction form
702,338.56/1,053,617.28 = 228,914.08/x - Step 3: Cross multiply
702,338.56x = 1,053,617.28 × 228,914.08 - Step 4: Simplify right side
702,338.56x = 241,187,830,323.30 - Step 5: Solve for x
x = 241,187,830,323.30/702,338.56 - Step 6: Final answer
x = 343,406.79
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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.