Finding the Fourth Proportional to 558,055.62, 770,112.93 and 303,406.81
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Solution
The fourth proportional to 558,055.62, 770,112.93 and 303,406.81 is: 418,699.32
Step by Step Solution
- Step 1: Write the proportion equation
558,055.62 : 770,112.93 = 303,406.81 : x - Step 2: Convert to fraction form
558,055.62/770,112.93 = 303,406.81/x - Step 3: Cross multiply
558,055.62x = 770,112.93 × 303,406.81 - Step 4: Simplify right side
558,055.62x = 233,657,507,431.05 - Step 5: Solve for x
x = 233,657,507,431.05/558,055.62 - Step 6: Final answer
x = 418,699.32
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1.5x scale
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.