Finding the Fourth Proportional to 985,268.80, 1,477,903.20 and 453,827.80
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Solution
The fourth proportional to 985,268.80, 1,477,903.20 and 453,827.80 is: 680,741.70
Step by Step Solution
- Step 1: Write the proportion equation
985,268.80 : 1,477,903.20 = 453,827.80 : x - Step 2: Convert to fraction form
985,268.80/1,477,903.20 = 453,827.80/x - Step 3: Cross multiply
985,268.80x = 1,477,903.20 × 453,827.80 - Step 4: Simplify right side
985,268.80x = 670,713,557,868.96 - Step 5: Solve for x
x = 670,713,557,868.96/985,268.80 - Step 6: Final answer
x = 680,741.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.