Finding the Fourth Proportional to 639,135.15, 882,024.83 and 352,673.69
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Solution
The fourth proportional to 639,135.15, 882,024.83 and 352,673.69 is: 486,699.80
Step by Step Solution
- Step 1: Write the proportion equation
639,135.15 : 882,024.83 = 352,673.69 : x - Step 2: Convert to fraction form
639,135.15/882,024.83 = 352,673.69/x - Step 3: Cross multiply
639,135.15x = 882,024.83 × 352,673.69 - Step 4: Simplify right side
639,135.15x = 311,066,948,601.82 - Step 5: Solve for x
x = 311,066,948,601.82/639,135.15 - Step 6: Final answer
x = 486,699.80
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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.