Finding the Fourth Proportional to 748,563.50, 1,033,043.14 and 409,053.62
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Solution
The fourth proportional to 748,563.50, 1,033,043.14 and 409,053.62 is: 564,507.94
Step by Step Solution
- Step 1: Write the proportion equation
748,563.50 : 1,033,043.14 = 409,053.62 : x - Step 2: Convert to fraction form
748,563.50/1,033,043.14 = 409,053.62/x - Step 3: Cross multiply
748,563.50x = 1,033,043.14 × 409,053.62 - Step 4: Simplify right side
748,563.50x = 422,570,036,033.17 - Step 5: Solve for x
x = 422,570,036,033.17/748,563.50 - Step 6: Final answer
x = 564,507.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.