Finding the Fourth Proportional to 527,008.68, 727,267.68 and 285,286.32
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Solution
The fourth proportional to 527,008.68, 727,267.68 and 285,286.32 is: 393,692.79
Step by Step Solution
- Step 1: Write the proportion equation
527,008.68 : 727,267.68 = 285,286.32 : x - Step 2: Convert to fraction form
527,008.68/727,267.68 = 285,286.32/x - Step 3: Cross multiply
527,008.68x = 727,267.68 × 285,286.32 - Step 4: Simplify right side
527,008.68x = 207,479,520,082.14 - Step 5: Solve for x
x = 207,479,520,082.14/527,008.68 - Step 6: Final answer
x = 393,692.79
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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.