Finding the Fourth Proportional to 453,449.60, 679,396.80 and 295,596.80
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Solution
The fourth proportional to 453,449.60, 679,396.80 and 295,596.80 is: 442,888.29
Step by Step Solution
- Step 1: Write the proportion equation
453,449.60 : 679,396.80 = 295,596.80 : x - Step 2: Convert to fraction form
453,449.60/679,396.80 = 295,596.80/x - Step 3: Cross multiply
453,449.60x = 679,396.80 × 295,596.80 - Step 4: Simplify right side
453,449.60x = 200,827,520,010.24 - Step 5: Solve for x
x = 200,827,520,010.24/453,449.60 - Step 6: Final answer
x = 442,888.29
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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.