Finding the Fourth Proportional to 775,592.96, 1,070,920.32 and 605,528.96
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Solution
The fourth proportional to 775,592.96, 1,070,920.32 and 605,528.96 is: 836,099.99
Step by Step Solution
- Step 1: Write the proportion equation
775,592.96 : 1,070,920.32 = 605,528.96 : x - Step 2: Convert to fraction form
775,592.96/1,070,920.32 = 605,528.96/x - Step 3: Cross multiply
775,592.96x = 1,070,920.32 × 605,528.96 - Step 4: Simplify right side
775,592.96x = 648,473,267,612.47 - Step 5: Solve for x
x = 648,473,267,612.47/775,592.96 - Step 6: Final answer
x = 836,099.99
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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.