Finding the Fourth Proportional to 902,927.64, 1,246,080.60 and 515,776.80
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Solution
The fourth proportional to 902,927.64, 1,246,080.60 and 515,776.80 is: 711,795.09
Step by Step Solution
- Step 1: Write the proportion equation
902,927.64 : 1,246,080.60 = 515,776.80 : x - Step 2: Convert to fraction form
902,927.64/1,246,080.60 = 515,776.80/x - Step 3: Cross multiply
902,927.64x = 1,246,080.60 × 515,776.80 - Step 4: Simplify right side
902,927.64x = 642,699,464,410.08 - Step 5: Solve for x
x = 642,699,464,410.08/902,927.64 - Step 6: Final answer
x = 711,795.09
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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.