Finding the Fourth Proportional to 770,526.70, 1,155,793.65 and 271,890.70
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Solution
The fourth proportional to 770,526.70, 1,155,793.65 and 271,890.70 is: 407,837.32
Step by Step Solution
- Step 1: Write the proportion equation
770,526.70 : 1,155,793.65 = 271,890.70 : x - Step 2: Convert to fraction form
770,526.70/1,155,793.65 = 271,890.70/x - Step 3: Cross multiply
770,526.70x = 1,155,793.65 × 271,890.70 - Step 4: Simplify right side
770,526.70x = 314,249,544,554.06 - Step 5: Solve for x
x = 314,249,544,554.06/770,526.70 - Step 6: Final answer
x = 407,837.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.