Finding the Fourth Proportional to 833,213.40, 1,149,835.14 and 470,637.96
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Solution
The fourth proportional to 833,213.40, 1,149,835.14 and 470,637.96 is: 649,480.75
Step by Step Solution
- Step 1: Write the proportion equation
833,213.40 : 1,149,835.14 = 470,637.96 : x - Step 2: Convert to fraction form
833,213.40/1,149,835.14 = 470,637.96/x - Step 3: Cross multiply
833,213.40x = 1,149,835.14 × 470,637.96 - Step 4: Simplify right side
833,213.40x = 541,156,064,625.91 - Step 5: Solve for x
x = 541,156,064,625.91/833,213.40 - Step 6: Final answer
x = 649,480.75
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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.