Finding the Fourth Proportional to 440,701.48, 607,960.62 and 319,577.08
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Solution
The fourth proportional to 440,701.48, 607,960.62 and 319,577.08 is: 440,865.96
Step by Step Solution
- Step 1: Write the proportion equation
440,701.48 : 607,960.62 = 319,577.08 : x - Step 2: Convert to fraction form
440,701.48/607,960.62 = 319,577.08/x - Step 3: Cross multiply
440,701.48x = 607,960.62 × 319,577.08 - Step 4: Simplify right side
440,701.48x = 194,290,279,694.59 - Step 5: Solve for x
x = 194,290,279,694.59/440,701.48 - Step 6: Final answer
x = 440,865.96
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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.