Finding the Fourth Proportional to 558,067.68, 770,140.98 and 303,418.26
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Solution
The fourth proportional to 558,067.68, 770,140.98 and 303,418.26 is: 418,721.32
Step by Step Solution
- Step 1: Write the proportion equation
558,067.68 : 770,140.98 = 303,418.26 : x - Step 2: Convert to fraction form
558,067.68/770,140.98 = 303,418.26/x - Step 3: Cross multiply
558,067.68x = 770,140.98 × 303,418.26 - Step 4: Simplify right side
558,067.68x = 233,674,836,106.30 - Step 5: Solve for x
x = 233,674,836,106.30/558,067.68 - Step 6: Final answer
x = 418,721.32
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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.