Finding the Fourth Proportional to 538,448.76, 743,064.21 and 296,739.99
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Solution
The fourth proportional to 538,448.76, 743,064.21 and 296,739.99 is: 409,503.90
Step by Step Solution
- Step 1: Write the proportion equation
538,448.76 : 743,064.21 = 296,739.99 : x - Step 2: Convert to fraction form
538,448.76/743,064.21 = 296,739.99/x - Step 3: Cross multiply
538,448.76x = 743,064.21 × 296,739.99 - Step 4: Simplify right side
538,448.76x = 220,496,866,244.76 - Step 5: Solve for x
x = 220,496,866,244.76/538,448.76 - Step 6: Final answer
x = 409,503.90
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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.