Finding the Fourth Proportional to 756,884.95, 1,135,327.41 and 519,507.97
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Solution
The fourth proportional to 756,884.95, 1,135,327.41 and 519,507.97 is: 779,261.94
Step by Step Solution
- Step 1: Write the proportion equation
756,884.95 : 1,135,327.41 = 519,507.97 : x - Step 2: Convert to fraction form
756,884.95/1,135,327.41 = 519,507.97/x - Step 3: Cross multiply
756,884.95x = 1,135,327.41 × 519,507.97 - Step 4: Simplify right side
756,884.95x = 589,811,635,216.14 - Step 5: Solve for x
x = 589,811,635,216.14/756,884.95 - Step 6: Final answer
x = 779,261.94
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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.