Finding the Fourth Proportional to 463,785.12, 698,836.74 and 381,390.84
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Solution
The fourth proportional to 463,785.12, 698,836.74 and 381,390.84 is: 574,684.09
Step by Step Solution
- Step 1: Write the proportion equation
463,785.12 : 698,836.74 = 381,390.84 : x - Step 2: Convert to fraction form
463,785.12/698,836.74 = 381,390.84/x - Step 3: Cross multiply
463,785.12x = 698,836.74 × 381,390.84 - Step 4: Simplify right side
463,785.12x = 266,529,931,291.46 - Step 5: Solve for x
x = 266,529,931,291.46/463,785.12 - Step 6: Final answer
x = 574,684.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.