Finding the Fourth Proportional to 555,780.26, 766,553.64 and 478,387.62
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Solution
The fourth proportional to 555,780.26, 766,553.64 and 478,387.62 is: 659,810.72
Step by Step Solution
- Step 1: Write the proportion equation
555,780.26 : 766,553.64 = 478,387.62 : x - Step 2: Convert to fraction form
555,780.26/766,553.64 = 478,387.62/x - Step 3: Cross multiply
555,780.26x = 766,553.64 × 478,387.62 - Step 4: Simplify right side
555,780.26x = 366,709,771,441.94 - Step 5: Solve for x
x = 366,709,771,441.94/555,780.26 - Step 6: Final answer
x = 659,810.72
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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.