Finding the Fourth Proportional to 505,584.62, 697,702.48 and 279,225.26
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Solution
The fourth proportional to 505,584.62, 697,702.48 and 279,225.26 is: 385,328.49
Step by Step Solution
- Step 1: Write the proportion equation
505,584.62 : 697,702.48 = 279,225.26 : x - Step 2: Convert to fraction form
505,584.62/697,702.48 = 279,225.26/x - Step 3: Cross multiply
505,584.62x = 697,702.48 × 279,225.26 - Step 4: Simplify right side
505,584.62x = 194,816,156,380.65 - Step 5: Solve for x
x = 194,816,156,380.65/505,584.62 - Step 6: Final answer
x = 385,328.49
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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.