Finding the Fourth Proportional to 556,957.96, 768,602.60 and 302,309.08
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Solution
The fourth proportional to 556,957.96, 768,602.60 and 302,309.08 is: 417,186.86
Step by Step Solution
- Step 1: Write the proportion equation
556,957.96 : 768,602.60 = 302,309.08 : x - Step 2: Convert to fraction form
556,957.96/768,602.60 = 302,309.08/x - Step 3: Cross multiply
556,957.96x = 768,602.60 × 302,309.08 - Step 4: Simplify right side
556,957.96x = 232,355,544,891.61 - Step 5: Solve for x
x = 232,355,544,891.61/556,957.96 - Step 6: Final answer
x = 417,186.86
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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.