Finding the Fourth Proportional to 762,633.40, 1,052,527.48 and 440,342.80
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Solution
The fourth proportional to 762,633.40, 1,052,527.48 and 440,342.80 is: 607,726.99
Step by Step Solution
- Step 1: Write the proportion equation
762,633.40 : 1,052,527.48 = 440,342.80 : x - Step 2: Convert to fraction form
762,633.40/1,052,527.48 = 440,342.80/x - Step 3: Cross multiply
762,633.40x = 1,052,527.48 × 440,342.80 - Step 4: Simplify right side
762,633.40x = 463,472,897,620.14 - Step 5: Solve for x
x = 463,472,897,620.14/762,633.40 - Step 6: Final answer
x = 607,726.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.