Finding the Fourth Proportional to 644,519.34, 966,845.97 and 307,503.18
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Solution
The fourth proportional to 644,519.34, 966,845.97 and 307,503.18 is: 461,286.72
Step by Step Solution
- Step 1: Write the proportion equation
644,519.34 : 966,845.97 = 307,503.18 : x - Step 2: Convert to fraction form
644,519.34/966,845.97 = 307,503.18/x - Step 3: Cross multiply
644,519.34x = 966,845.97 × 307,503.18 - Step 4: Simplify right side
644,519.34x = 297,308,210,345.19 - Step 5: Solve for x
x = 297,308,210,345.19/644,519.34 - Step 6: Final answer
x = 461,286.72
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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.