Finding the Fourth Proportional to 499,997.44, 750,102.78 and 286,863.28
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Solution
The fourth proportional to 499,997.44, 750,102.78 and 286,863.28 is: 430,356.09
Step by Step Solution
- Step 1: Write the proportion equation
499,997.44 : 750,102.78 = 286,863.28 : x - Step 2: Convert to fraction form
499,997.44/750,102.78 = 286,863.28/x - Step 3: Cross multiply
499,997.44x = 750,102.78 × 286,863.28 - Step 4: Simplify right side
499,997.44x = 215,176,943,807.92 - Step 5: Solve for x
x = 215,176,943,807.92/499,997.44 - Step 6: Final answer
x = 430,356.09
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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.