Finding the Fourth Proportional to 539,611.32, 744,625.44 and 297,855.12
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Solution
The fourth proportional to 539,611.32, 744,625.44 and 297,855.12 is: 411,018.99
Step by Step Solution
- Step 1: Write the proportion equation
539,611.32 : 744,625.44 = 297,855.12 : x - Step 2: Convert to fraction form
539,611.32/744,625.44 = 297,855.12/x - Step 3: Cross multiply
539,611.32x = 744,625.44 × 297,855.12 - Step 4: Simplify right side
539,611.32x = 221,790,499,786.25 - Step 5: Solve for x
x = 221,790,499,786.25/539,611.32 - Step 6: Final answer
x = 411,018.99
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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.