Finding the Fourth Proportional to 453,115.80, 679,673.70 and 303,816.60
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Solution
The fourth proportional to 453,115.80, 679,673.70 and 303,816.60 is: 455,724.90
Step by Step Solution
- Step 1: Write the proportion equation
453,115.80 : 679,673.70 = 303,816.60 : x - Step 2: Convert to fraction form
453,115.80/679,673.70 = 303,816.60/x - Step 3: Cross multiply
453,115.80x = 679,673.70 × 303,816.60 - Step 4: Simplify right side
453,115.80x = 206,496,152,643.42 - Step 5: Solve for x
x = 206,496,152,643.42/453,115.80 - Step 6: Final answer
x = 455,724.90
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Similar ratio
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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.