Finding the Fourth Proportional to 558,097.40, 770,153.18 and 303,448.80
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Solution
The fourth proportional to 558,097.40, 770,153.18 and 303,448.80 is: 418,747.80
Step by Step Solution
- Step 1: Write the proportion equation
558,097.40 : 770,153.18 = 303,448.80 : x - Step 2: Convert to fraction form
558,097.40/770,153.18 = 303,448.80/x - Step 3: Cross multiply
558,097.40x = 770,153.18 × 303,448.80 - Step 4: Simplify right side
558,097.40x = 233,702,058,287.18 - Step 5: Solve for x
x = 233,702,058,287.18/558,097.40 - Step 6: Final answer
x = 418,747.80
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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.