Finding the Fourth Proportional to 459,396.16, 634,161.12 and 430,699.84
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Solution
The fourth proportional to 459,396.16, 634,161.12 and 430,699.84 is: 594,548.05
Step by Step Solution
- Step 1: Write the proportion equation
459,396.16 : 634,161.12 = 430,699.84 : x - Step 2: Convert to fraction form
459,396.16/634,161.12 = 430,699.84/x - Step 3: Cross multiply
459,396.16x = 634,161.12 × 430,699.84 - Step 4: Simplify right side
459,396.16x = 273,133,092,918.22 - Step 5: Solve for x
x = 273,133,092,918.22/459,396.16 - Step 6: Final answer
x = 594,548.05
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1.5x scale
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.