Finding the Fourth Proportional to 558,007.68, 770,059.36 and 303,359.84
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Solution
The fourth proportional to 558,007.68, 770,059.36 and 303,359.84 is: 418,641.34
Step by Step Solution
- Step 1: Write the proportion equation
558,007.68 : 770,059.36 = 303,359.84 : x - Step 2: Convert to fraction form
558,007.68/770,059.36 = 303,359.84/x - Step 3: Cross multiply
558,007.68x = 770,059.36 × 303,359.84 - Step 4: Simplify right side
558,007.68x = 233,605,084,240.10 - Step 5: Solve for x
x = 233,605,084,240.10/558,007.68 - Step 6: Final answer
x = 418,641.34
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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.