Finding the Fourth Proportional to 994,430.62, 1,372,311.75 and 541,720.54
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Solution
The fourth proportional to 994,430.62, 1,372,311.75 and 541,720.54 is: 747,572.98
Step by Step Solution
- Step 1: Write the proportion equation
994,430.62 : 1,372,311.75 = 541,720.54 : x - Step 2: Convert to fraction form
994,430.62/1,372,311.75 = 541,720.54/x - Step 3: Cross multiply
994,430.62x = 1,372,311.75 × 541,720.54 - Step 4: Simplify right side
994,430.62x = 743,409,462,258.35 - Step 5: Solve for x
x = 743,409,462,258.35/994,430.62 - Step 6: Final answer
x = 747,572.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.