Finding the Fourth Proportional to 448,482.24, 671,380.08 and 432,531.60
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Solution
The fourth proportional to 448,482.24, 671,380.08 and 432,531.60 is: 647,501.89
Step by Step Solution
- Step 1: Write the proportion equation
448,482.24 : 671,380.08 = 432,531.60 : x - Step 2: Convert to fraction form
448,482.24/671,380.08 = 432,531.60/x - Step 3: Cross multiply
448,482.24x = 671,380.08 × 432,531.60 - Step 4: Simplify right side
448,482.24x = 290,393,100,210.53 - Step 5: Solve for x
x = 290,393,100,210.53/448,482.24 - Step 6: Final answer
x = 647,501.89
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1.5x scale
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.