Finding the Fourth Proportional to 756,014.16, 1,043,346.84 and 416,482.44
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Solution
The fourth proportional to 756,014.16, 1,043,346.84 and 416,482.44 is: 574,771.82
Step by Step Solution
- Step 1: Write the proportion equation
756,014.16 : 1,043,346.84 = 416,482.44 : x - Step 2: Convert to fraction form
756,014.16/1,043,346.84 = 416,482.44/x - Step 3: Cross multiply
756,014.16x = 1,043,346.84 × 416,482.44 - Step 4: Simplify right side
756,014.16x = 434,535,637,689.49 - Step 5: Solve for x
x = 434,535,637,689.49/756,014.16 - Step 6: Final answer
x = 574,771.82
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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.