Finding the Fourth Proportional to 775,830.68, 1,163,747.36 and 243,393.64
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Solution
The fourth proportional to 775,830.68, 1,163,747.36 and 243,393.64 is: 365,090.88
Step by Step Solution
- Step 1: Write the proportion equation
775,830.68 : 1,163,747.36 = 243,393.64 : x - Step 2: Convert to fraction form
775,830.68/1,163,747.36 = 243,393.64/x - Step 3: Cross multiply
775,830.68x = 1,163,747.36 × 243,393.64 - Step 4: Simplify right side
775,830.68x = 283,248,705,990.79 - Step 5: Solve for x
x = 283,248,705,990.79/775,830.68 - Step 6: Final answer
x = 365,090.88
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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.