Finding the Fourth Proportional to 800,653.68, 1,201,387.82 and 351,257.99
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Solution
The fourth proportional to 800,653.68, 1,201,387.82 and 351,257.99 is: 527,065.66
Step by Step Solution
- Step 1: Write the proportion equation
800,653.68 : 1,201,387.82 = 351,257.99 : x - Step 2: Convert to fraction form
800,653.68/1,201,387.82 = 351,257.99/x - Step 3: Cross multiply
800,653.68x = 1,201,387.82 × 351,257.99 - Step 4: Simplify right side
800,653.68x = 421,997,063,100.45 - Step 5: Solve for x
x = 421,997,063,100.45/800,653.68 - Step 6: Final answer
x = 527,065.66
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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.