Finding the Fourth Proportional to 753,007.56, 1,129,216.14 and 273,121.08
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Solution
The fourth proportional to 753,007.56, 1,129,216.14 and 273,121.08 is: 409,574.55
Step by Step Solution
- Step 1: Write the proportion equation
753,007.56 : 1,129,216.14 = 273,121.08 : x - Step 2: Convert to fraction form
753,007.56/1,129,216.14 = 273,121.08/x - Step 3: Cross multiply
753,007.56x = 1,129,216.14 × 273,121.08 - Step 4: Simplify right side
753,007.56x = 308,412,731,710.23 - Step 5: Solve for x
x = 308,412,731,710.23/753,007.56 - Step 6: Final answer
x = 409,574.55
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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.