Finding the Fourth Proportional to 808,250.70, 1,212,376.05 and 493,322.70
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Solution
The fourth proportional to 808,250.70, 1,212,376.05 and 493,322.70 is: 739,984.05
Step by Step Solution
- Step 1: Write the proportion equation
808,250.70 : 1,212,376.05 = 493,322.70 : x - Step 2: Convert to fraction form
808,250.70/1,212,376.05 = 493,322.70/x - Step 3: Cross multiply
808,250.70x = 1,212,376.05 × 493,322.70 - Step 4: Simplify right side
808,250.70x = 598,092,626,401.34 - Step 5: Solve for x
x = 598,092,626,401.34/808,250.70 - Step 6: Final answer
x = 739,984.05
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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.