Finding the Fourth Proportional to 770,723.97, 1,155,291.33 and 321,706.14
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Solution
The fourth proportional to 770,723.97, 1,155,291.33 and 321,706.14 is: 482,227.53
Step by Step Solution
- Step 1: Write the proportion equation
770,723.97 : 1,155,291.33 = 321,706.14 : x - Step 2: Convert to fraction form
770,723.97/1,155,291.33 = 321,706.14/x - Step 3: Cross multiply
770,723.97x = 1,155,291.33 × 321,706.14 - Step 4: Simplify right side
770,723.97x = 371,664,314,349.77 - Step 5: Solve for x
x = 371,664,314,349.77/770,723.97 - Step 6: Final answer
x = 482,227.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.