Finding the Fourth Proportional to 818,922.96, 1,130,116.04 and 474,825.68
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Solution
The fourth proportional to 818,922.96, 1,130,116.04 and 474,825.68 is: 655,260.80
Step by Step Solution
- Step 1: Write the proportion equation
818,922.96 : 1,130,116.04 = 474,825.68 : x - Step 2: Convert to fraction form
818,922.96/1,130,116.04 = 474,825.68/x - Step 3: Cross multiply
818,922.96x = 1,130,116.04 × 474,825.68 - Step 4: Simplify right side
818,922.96x = 536,608,117,171.91 - Step 5: Solve for x
x = 536,608,117,171.91/818,922.96 - Step 6: Final answer
x = 655,260.80
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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.