Finding the Fourth Proportional to 707,284.56, 976,135.68 and 397,237.98
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Solution
The fourth proportional to 707,284.56, 976,135.68 and 397,237.98 is: 548,235.02
Step by Step Solution
- Step 1: Write the proportion equation
707,284.56 : 976,135.68 = 397,237.98 : x - Step 2: Convert to fraction form
707,284.56/976,135.68 = 397,237.98/x - Step 3: Cross multiply
707,284.56x = 976,135.68 × 397,237.98 - Step 4: Simplify right side
707,284.56x = 387,758,165,729.13 - Step 5: Solve for x
x = 387,758,165,729.13/707,284.56 - Step 6: Final answer
x = 548,235.02
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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.