Finding the Fourth Proportional to 665,500.08, 918,388.08 and 363,694.08
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Solution
The fourth proportional to 665,500.08, 918,388.08 and 363,694.08 is: 501,896.72
Step by Step Solution
- Step 1: Write the proportion equation
665,500.08 : 918,388.08 = 363,694.08 : x - Step 2: Convert to fraction form
665,500.08/918,388.08 = 363,694.08/x - Step 3: Cross multiply
665,500.08x = 918,388.08 × 363,694.08 - Step 4: Simplify right side
665,500.08x = 334,012,307,838.57 - Step 5: Solve for x
x = 334,012,307,838.57/665,500.08 - Step 6: Final answer
x = 501,896.72
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1.5x scale
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.