Finding the Fourth Proportional to 447,791.74, 671,950.06 and 321,295.66
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Solution
The fourth proportional to 447,791.74, 671,950.06 and 321,295.66 is: 482,131.80
Step by Step Solution
- Step 1: Write the proportion equation
447,791.74 : 671,950.06 = 321,295.66 : x - Step 2: Convert to fraction form
447,791.74/671,950.06 = 321,295.66/x - Step 3: Cross multiply
447,791.74x = 671,950.06 × 321,295.66 - Step 4: Simplify right side
447,791.74x = 215,894,638,014.74 - Step 5: Solve for x
x = 215,894,638,014.74/447,791.74 - Step 6: Final answer
x = 482,131.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.