Finding the Fourth Proportional to 447,450.95, 670,908.70 and 303,533.62
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Solution
The fourth proportional to 447,450.95, 670,908.70 and 303,533.62 is: 455,118.81
Step by Step Solution
- Step 1: Write the proportion equation
447,450.95 : 670,908.70 = 303,533.62 : x - Step 2: Convert to fraction form
447,450.95/670,908.70 = 303,533.62/x - Step 3: Cross multiply
447,450.95x = 670,908.70 × 303,533.62 - Step 4: Simplify right side
447,450.95x = 203,643,341,528.28 - Step 5: Solve for x
x = 203,643,341,528.28/447,450.95 - Step 6: Final answer
x = 455,118.81
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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.