Finding the Fourth Proportional to 665,534.19, 918,437.19 and 363,728.19
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Solution
The fourth proportional to 665,534.19, 918,437.19 and 363,728.19 is: 501,944.91
Step by Step Solution
- Step 1: Write the proportion equation
665,534.19 : 918,437.19 = 363,728.19 : x - Step 2: Convert to fraction form
665,534.19/918,437.19 = 363,728.19/x - Step 3: Cross multiply
665,534.19x = 918,437.19 × 363,728.19 - Step 4: Simplify right side
665,534.19x = 334,061,496,747.39 - Step 5: Solve for x
x = 334,061,496,747.39/665,534.19 - Step 6: Final answer
x = 501,944.91
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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.