Finding the Fourth Proportional to 760,248.24, 1,049,136.48 and 420,735.12
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Solution
The fourth proportional to 760,248.24, 1,049,136.48 and 420,735.12 is: 580,611.09
Step by Step Solution
- Step 1: Write the proportion equation
760,248.24 : 1,049,136.48 = 420,735.12 : x - Step 2: Convert to fraction form
760,248.24/1,049,136.48 = 420,735.12/x - Step 3: Cross multiply
760,248.24x = 1,049,136.48 × 420,735.12 - Step 4: Simplify right side
760,248.24x = 441,408,562,809.18 - Step 5: Solve for x
x = 441,408,562,809.18/760,248.24 - Step 6: Final answer
x = 580,611.09
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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.