Finding the Fourth Proportional to 406,493.80, 609,520.74 and 322,792.44
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Solution
The fourth proportional to 406,493.80, 609,520.74 and 322,792.44 is: 484,013.99
Step by Step Solution
- Step 1: Write the proportion equation
406,493.80 : 609,520.74 = 322,792.44 : x - Step 2: Convert to fraction form
406,493.80/609,520.74 = 322,792.44/x - Step 3: Cross multiply
406,493.80x = 609,520.74 × 322,792.44 - Step 4: Simplify right side
406,493.80x = 196,748,686,895.21 - Step 5: Solve for x
x = 196,748,686,895.21/406,493.80 - Step 6: Final answer
x = 484,013.99
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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.