Finding the Fourth Proportional to 521,410.75, 719,546.84 and 282,946.75
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Solution
The fourth proportional to 521,410.75, 719,546.84 and 282,946.75 is: 390,466.52
Step by Step Solution
- Step 1: Write the proportion equation
521,410.75 : 719,546.84 = 282,946.75 : x - Step 2: Convert to fraction form
521,410.75/719,546.84 = 282,946.75/x - Step 3: Cross multiply
521,410.75x = 719,546.84 × 282,946.75 - Step 4: Simplify right side
521,410.75x = 203,593,438,436.04 - Step 5: Solve for x
x = 203,593,438,436.04/521,410.75 - Step 6: Final answer
x = 390,466.52
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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.