Finding the Fourth Proportional to 640,482.28, 883,850.14 and 350,080.80
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Solution
The fourth proportional to 640,482.28, 883,850.14 and 350,080.80 is: 483,103.08
Step by Step Solution
- Step 1: Write the proportion equation
640,482.28 : 883,850.14 = 350,080.80 : x - Step 2: Convert to fraction form
640,482.28/883,850.14 = 350,080.80/x - Step 3: Cross multiply
640,482.28x = 883,850.14 × 350,080.80 - Step 4: Simplify right side
640,482.28x = 309,418,964,091.31 - Step 5: Solve for x
x = 309,418,964,091.31/640,482.28 - Step 6: Final answer
x = 483,103.08
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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.