Finding the Fourth Proportional to 748,727.68, 1,033,241.68 and 409,195.84
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Solution
The fourth proportional to 748,727.68, 1,033,241.68 and 409,195.84 is: 564,688.88
Step by Step Solution
- Step 1: Write the proportion equation
748,727.68 : 1,033,241.68 = 409,195.84 : x - Step 2: Convert to fraction form
748,727.68/1,033,241.68 = 409,195.84/x - Step 3: Cross multiply
748,727.68x = 1,033,241.68 × 409,195.84 - Step 4: Simplify right side
748,727.68x = 422,798,197,170.61 - Step 5: Solve for x
x = 422,798,197,170.61/748,727.68 - Step 6: Final answer
x = 564,688.88
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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.