Finding the Fourth Proportional to 552,735.36, 762,765.84 and 311,017.82
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Solution
The fourth proportional to 552,735.36, 762,765.84 and 311,017.82 is: 429,199.54
Step by Step Solution
- Step 1: Write the proportion equation
552,735.36 : 762,765.84 = 311,017.82 : x - Step 2: Convert to fraction form
552,735.36/762,765.84 = 311,017.82/x - Step 3: Cross multiply
552,735.36x = 762,765.84 × 311,017.82 - Step 4: Simplify right side
552,735.36x = 237,233,764,913.44 - Step 5: Solve for x
x = 237,233,764,913.44/552,735.36 - Step 6: Final answer
x = 429,199.54
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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.