Finding the Fourth Proportional to 717,707.44, 1,076,771.69 and 212,281.75
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Solution
The fourth proportional to 717,707.44, 1,076,771.69 and 212,281.75 is: 318,484.90
Step by Step Solution
- Step 1: Write the proportion equation
717,707.44 : 1,076,771.69 = 212,281.75 : x - Step 2: Convert to fraction form
717,707.44/1,076,771.69 = 212,281.75/x - Step 3: Cross multiply
717,707.44x = 1,076,771.69 × 212,281.75 - Step 4: Simplify right side
717,707.44x = 228,578,978,703.66 - Step 5: Solve for x
x = 228,578,978,703.66/717,707.44 - Step 6: Final answer
x = 318,484.90
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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.