Finding the Fourth Proportional to 717,639.75, 1,076,459.63 and 296,926.56
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Solution
The fourth proportional to 717,639.75, 1,076,459.63 and 296,926.56 is: 445,389.84
Step by Step Solution
- Step 1: Write the proportion equation
717,639.75 : 1,076,459.63 = 296,926.56 : x - Step 2: Convert to fraction form
717,639.75/1,076,459.63 = 296,926.56/x - Step 3: Cross multiply
717,639.75x = 1,076,459.63 × 296,926.56 - Step 4: Simplify right side
717,639.75x = 319,629,453,430.14 - Step 5: Solve for x
x = 319,629,453,430.14/717,639.75 - Step 6: Final answer
x = 445,389.84
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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.