Finding the Fourth Proportional to 643,533.48, 965,326.14 and 306,400.68
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Solution
The fourth proportional to 643,533.48, 965,326.14 and 306,400.68 is: 459,613.36
Step by Step Solution
- Step 1: Write the proportion equation
643,533.48 : 965,326.14 = 306,400.68 : x - Step 2: Convert to fraction form
643,533.48/965,326.14 = 306,400.68/x - Step 3: Cross multiply
643,533.48x = 965,326.14 × 306,400.68 - Step 4: Simplify right side
643,533.48x = 295,776,585,717.78 - Step 5: Solve for x
x = 295,776,585,717.78/643,533.48 - Step 6: Final answer
x = 459,613.36
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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.