Finding the Fourth Proportional to 555,914.08, 767,243.70 and 351,983.96
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Solution
The fourth proportional to 555,914.08, 767,243.70 and 351,983.96 is: 485,789.96
Step by Step Solution
- Step 1: Write the proportion equation
555,914.08 : 767,243.70 = 351,983.96 : x - Step 2: Convert to fraction form
555,914.08/767,243.70 = 351,983.96/x - Step 3: Cross multiply
555,914.08x = 767,243.70 × 351,983.96 - Step 4: Simplify right side
555,914.08x = 270,057,475,811.05 - Step 5: Solve for x
x = 270,057,475,811.05/555,914.08 - Step 6: Final answer
x = 485,789.96
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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.