Finding the Fourth Proportional to 454,077.08, 680,065.78 and 438,330.68
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Solution
The fourth proportional to 454,077.08, 680,065.78 and 438,330.68 is: 656,482.59
Step by Step Solution
- Step 1: Write the proportion equation
454,077.08 : 680,065.78 = 438,330.68 : x - Step 2: Convert to fraction form
454,077.08/680,065.78 = 438,330.68/x - Step 3: Cross multiply
454,077.08x = 680,065.78 × 438,330.68 - Step 4: Simplify right side
454,077.08x = 298,093,695,792.13 - Step 5: Solve for x
x = 298,093,695,792.13/454,077.08 - Step 6: Final answer
x = 656,482.59
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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.