Finding the Fourth Proportional to 668,846.88, 923,775.30 and 440,425.26
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Solution
The fourth proportional to 668,846.88, 923,775.30 and 440,425.26 is: 608,291.66
Step by Step Solution
- Step 1: Write the proportion equation
668,846.88 : 923,775.30 = 440,425.26 : x - Step 2: Convert to fraction form
668,846.88/923,775.30 = 440,425.26/x - Step 3: Cross multiply
668,846.88x = 923,775.30 × 440,425.26 - Step 4: Simplify right side
668,846.88x = 406,853,976,684.08 - Step 5: Solve for x
x = 406,853,976,684.08/668,846.88 - Step 6: Final answer
x = 608,291.66
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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.