Finding the Fourth Proportional to 738,925.28, 1,106,385.84 and 383,193.28
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Solution
The fourth proportional to 738,925.28, 1,106,385.84 and 383,193.28 is: 573,751.68
Step by Step Solution
- Step 1: Write the proportion equation
738,925.28 : 1,106,385.84 = 383,193.28 : x - Step 2: Convert to fraction form
738,925.28/1,106,385.84 = 383,193.28/x - Step 3: Cross multiply
738,925.28x = 1,106,385.84 × 383,193.28 - Step 4: Simplify right side
738,925.28x = 423,959,618,975.16 - Step 5: Solve for x
x = 423,959,618,975.16/738,925.28 - Step 6: Final answer
x = 573,751.68
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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.