Finding the Fourth Proportional to 684,427.68, 944,512.92 and 382,621.68
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Solution
The fourth proportional to 684,427.68, 944,512.92 and 382,621.68 is: 528,019.44
Step by Step Solution
- Step 1: Write the proportion equation
684,427.68 : 944,512.92 = 382,621.68 : x - Step 2: Convert to fraction form
684,427.68/944,512.92 = 382,621.68/x - Step 3: Cross multiply
684,427.68x = 944,512.92 × 382,621.68 - Step 4: Simplify right side
684,427.68x = 361,391,120,232.11 - Step 5: Solve for x
x = 361,391,120,232.11/684,427.68 - Step 6: Final answer
x = 528,019.44
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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.