Finding the Fourth Proportional to 840,725.92, 1,261,167.18 and 335,164.42
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Solution
The fourth proportional to 840,725.92, 1,261,167.18 and 335,164.42 is: 502,777.85
Step by Step Solution
- Step 1: Write the proportion equation
840,725.92 : 1,261,167.18 = 335,164.42 : x - Step 2: Convert to fraction form
840,725.92/1,261,167.18 = 335,164.42/x - Step 3: Cross multiply
840,725.92x = 1,261,167.18 × 335,164.42 - Step 4: Simplify right side
840,725.92x = 422,698,366,407.74 - Step 5: Solve for x
x = 422,698,366,407.74/840,725.92 - Step 6: Final answer
x = 502,777.85
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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.