Finding the Fourth Proportional to 454,076.08, 680,064.28 and 438,329.68
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Solution
The fourth proportional to 454,076.08, 680,064.28 and 438,329.68 is: 656,481.09
Step by Step Solution
- Step 1: Write the proportion equation
454,076.08 : 680,064.28 = 438,329.68 : x - Step 2: Convert to fraction form
454,076.08/680,064.28 = 438,329.68/x - Step 3: Cross multiply
454,076.08x = 680,064.28 × 438,329.68 - Step 4: Simplify right side
454,076.08x = 298,092,358,231.83 - Step 5: Solve for x
x = 298,092,358,231.83/454,076.08 - Step 6: Final answer
x = 656,481.09
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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.