Finding the Fourth Proportional to 658,430.09, 908,707.26 and 371,968.62
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Solution
The fourth proportional to 658,430.09, 908,707.26 and 371,968.62 is: 513,358.36
Step by Step Solution
- Step 1: Write the proportion equation
658,430.09 : 908,707.26 = 371,968.62 : x - Step 2: Convert to fraction form
658,430.09/908,707.26 = 371,968.62/x - Step 3: Cross multiply
658,430.09x = 908,707.26 × 371,968.62 - Step 4: Simplify right side
658,430.09x = 338,010,585,486.18 - Step 5: Solve for x
x = 338,010,585,486.18/658,430.09 - Step 6: Final answer
x = 513,358.36
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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.