Finding the Fourth Proportional to 665,011.80, 996,837.30 and 327,533.40
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Solution
The fourth proportional to 665,011.80, 996,837.30 and 327,533.40 is: 490,964.99
Step by Step Solution
- Step 1: Write the proportion equation
665,011.80 : 996,837.30 = 327,533.40 : x - Step 2: Convert to fraction form
665,011.80/996,837.30 = 327,533.40/x - Step 3: Cross multiply
665,011.80x = 996,837.30 × 327,533.40 - Step 4: Simplify right side
665,011.80x = 326,497,510,115.82 - Step 5: Solve for x
x = 326,497,510,115.82/665,011.80 - Step 6: Final answer
x = 490,964.99
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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.