Finding the Fourth Proportional to 919,852.47, 1,379,784.98 and 351,080.19
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Solution
The fourth proportional to 919,852.47, 1,379,784.98 and 351,080.19 is: 526,622.68
Step by Step Solution
- Step 1: Write the proportion equation
919,852.47 : 1,379,784.98 = 351,080.19 : x - Step 2: Convert to fraction form
919,852.47/1,379,784.98 = 351,080.19/x - Step 3: Cross multiply
919,852.47x = 1,379,784.98 × 351,080.19 - Step 4: Simplify right side
919,852.47x = 484,415,173,815.25 - Step 5: Solve for x
x = 484,415,173,815.25/919,852.47 - Step 6: Final answer
x = 526,622.68
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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.