Finding the Fourth Proportional to 790,129.88, 1,185,317.94 and 257,527.34
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Solution
The fourth proportional to 790,129.88, 1,185,317.94 and 257,527.34 is: 386,331.14
Step by Step Solution
- Step 1: Write the proportion equation
790,129.88 : 1,185,317.94 = 257,527.34 : x - Step 2: Convert to fraction form
790,129.88/1,185,317.94 = 257,527.34/x - Step 3: Cross multiply
790,129.88x = 1,185,317.94 × 257,527.34 - Step 4: Simplify right side
790,129.88x = 305,251,776,142.48 - Step 5: Solve for x
x = 305,251,776,142.48/790,129.88 - Step 6: Final answer
x = 386,331.14
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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.