Finding the Fourth Proportional to 719,571.26, 1,079,341.74 and 239,833.76
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Solution
The fourth proportional to 719,571.26, 1,079,341.74 and 239,833.76 is: 359,745.59
Step by Step Solution
- Step 1: Write the proportion equation
719,571.26 : 1,079,341.74 = 239,833.76 : x - Step 2: Convert to fraction form
719,571.26/1,079,341.74 = 239,833.76/x - Step 3: Cross multiply
719,571.26x = 1,079,341.74 × 239,833.76 - Step 4: Simplify right side
719,571.26x = 258,862,587,829.14 - Step 5: Solve for x
x = 258,862,587,829.14/719,571.26 - Step 6: Final answer
x = 359,745.59
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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.