Finding the Fourth Proportional to 665,366.56, 917,249.84 and 474,047.80
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Solution
The fourth proportional to 665,366.56, 917,249.84 and 474,047.80 is: 653,504.84
Step by Step Solution
- Step 1: Write the proportion equation
665,366.56 : 917,249.84 = 474,047.80 : x - Step 2: Convert to fraction form
665,366.56/917,249.84 = 474,047.80/x - Step 3: Cross multiply
665,366.56x = 917,249.84 × 474,047.80 - Step 4: Simplify right side
665,366.56x = 434,820,268,702.35 - Step 5: Solve for x
x = 434,820,268,702.35/665,366.56 - Step 6: Final answer
x = 653,504.84
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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.