Finding the Fourth Proportional to 738,165.44, 1,107,248.80 and 528,213.44
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Solution
The fourth proportional to 738,165.44, 1,107,248.80 and 528,213.44 is: 792,320.62
Step by Step Solution
- Step 1: Write the proportion equation
738,165.44 : 1,107,248.80 = 528,213.44 : x - Step 2: Convert to fraction form
738,165.44/1,107,248.80 = 528,213.44/x - Step 3: Cross multiply
738,165.44x = 1,107,248.80 × 528,213.44 - Step 4: Simplify right side
738,165.44x = 584,863,697,583.87 - Step 5: Solve for x
x = 584,863,697,583.87/738,165.44 - Step 6: Final answer
x = 792,320.62
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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.