Finding the Fourth Proportional to 902,320.56, 1,245,202.68 and 494,419.08
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Solution
The fourth proportional to 902,320.56, 1,245,202.68 and 494,419.08 is: 682,298.50
Step by Step Solution
- Step 1: Write the proportion equation
902,320.56 : 1,245,202.68 = 494,419.08 : x - Step 2: Convert to fraction form
902,320.56/1,245,202.68 = 494,419.08/x - Step 3: Cross multiply
902,320.56x = 1,245,202.68 × 494,419.08 - Step 4: Simplify right side
902,320.56x = 615,651,963,459.13 - Step 5: Solve for x
x = 615,651,963,459.13/902,320.56 - Step 6: Final answer
x = 682,298.50
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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.