Finding the Fourth Proportional to 476,951.70, 715,427.55 and 453,623.70
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Solution
The fourth proportional to 476,951.70, 715,427.55 and 453,623.70 is: 680,435.55
Step by Step Solution
- Step 1: Write the proportion equation
476,951.70 : 715,427.55 = 453,623.70 : x - Step 2: Convert to fraction form
476,951.70/715,427.55 = 453,623.70/x - Step 3: Cross multiply
476,951.70x = 715,427.55 × 453,623.70 - Step 4: Simplify right side
476,951.70x = 324,534,892,312.94 - Step 5: Solve for x
x = 324,534,892,312.94/476,951.70 - Step 6: Final answer
x = 680,435.55
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1.5x scale
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.