Finding the Fourth Proportional to 839,245.05, 1,158,241.28 and 476,691.48
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Solution
The fourth proportional to 839,245.05, 1,158,241.28 and 476,691.48 is: 657,881.45
Step by Step Solution
- Step 1: Write the proportion equation
839,245.05 : 1,158,241.28 = 476,691.48 : x - Step 2: Convert to fraction form
839,245.05/1,158,241.28 = 476,691.48/x - Step 3: Cross multiply
839,245.05x = 1,158,241.28 × 476,691.48 - Step 4: Simplify right side
839,245.05x = 552,123,747,576.84 - Step 5: Solve for x
x = 552,123,747,576.84/839,245.05 - Step 6: Final answer
x = 657,881.45
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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.