Finding the Fourth Proportional to 543,611.19, 750,202.40 and 301,897.79
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Solution
The fourth proportional to 543,611.19, 750,202.40 and 301,897.79 is: 416,629.47
Step by Step Solution
- Step 1: Write the proportion equation
543,611.19 : 750,202.40 = 301,897.79 : x - Step 2: Convert to fraction form
543,611.19/750,202.40 = 301,897.79/x - Step 3: Cross multiply
543,611.19x = 750,202.40 × 301,897.79 - Step 4: Simplify right side
543,611.19x = 226,484,441,352.20 - Step 5: Solve for x
x = 226,484,441,352.20/543,611.19 - Step 6: Final answer
x = 416,629.47
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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.