Finding the Fourth Proportional to 564,757.64, 847,136.76 and 354,543.20
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Solution
The fourth proportional to 564,757.64, 847,136.76 and 354,543.20 is: 531,814.99
Step by Step Solution
- Step 1: Write the proportion equation
564,757.64 : 847,136.76 = 354,543.20 : x - Step 2: Convert to fraction form
564,757.64/847,136.76 = 354,543.20/x - Step 3: Cross multiply
564,757.64x = 847,136.76 × 354,543.20 - Step 4: Simplify right side
564,757.64x = 300,346,577,728.03 - Step 5: Solve for x
x = 300,346,577,728.03/564,757.64 - Step 6: Final answer
x = 531,814.99
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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.