Finding the Fourth Proportional to 784,994.93, 1,177,497 and 279,575.58
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Solution
The fourth proportional to 784,994.93, 1,177,497 and 279,575.58 is: 419,365.02
Step by Step Solution
- Step 1: Write the proportion equation
784,994.93 : 1,177,497 = 279,575.58 : x - Step 2: Convert to fraction form
784,994.93/1,177,497 = 279,575.58/x - Step 3: Cross multiply
784,994.93x = 1,177,497 × 279,575.58 - Step 4: Simplify right side
784,994.93x = 329,199,411,138.87 - Step 5: Solve for x
x = 329,199,411,138.87/784,994.93 - Step 6: Final answer
x = 419,365.02
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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.