Finding the Fourth Proportional to 777,178.62, 1,166,090.58 and 372,166.74
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Solution
The fourth proportional to 777,178.62, 1,166,090.58 and 372,166.74 is: 558,404.62
Step by Step Solution
- Step 1: Write the proportion equation
777,178.62 : 1,166,090.58 = 372,166.74 : x - Step 2: Convert to fraction form
777,178.62/1,166,090.58 = 372,166.74/x - Step 3: Cross multiply
777,178.62x = 1,166,090.58 × 372,166.74 - Step 4: Simplify right side
777,178.62x = 433,980,129,703.31 - Step 5: Solve for x
x = 433,980,129,703.31/777,178.62 - Step 6: Final answer
x = 558,404.62
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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.