Finding the Fourth Proportional to 758,583.96, 1,046,756.70 and 419,031.96
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Solution
The fourth proportional to 758,583.96, 1,046,756.70 and 419,031.96 is: 578,214.85
Step by Step Solution
- Step 1: Write the proportion equation
758,583.96 : 1,046,756.70 = 419,031.96 : x - Step 2: Convert to fraction form
758,583.96/1,046,756.70 = 419,031.96/x - Step 3: Cross multiply
758,583.96x = 1,046,756.70 × 419,031.96 - Step 4: Simplify right side
758,583.96x = 438,624,511,644.13 - Step 5: Solve for x
x = 438,624,511,644.13/758,583.96 - Step 6: Final answer
x = 578,214.85
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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.