Finding the Fourth Proportional to 929,751.66, 1,393,309.08 and 389,425.68
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Solution
The fourth proportional to 929,751.66, 1,393,309.08 and 389,425.68 is: 583,586.31
Step by Step Solution
- Step 1: Write the proportion equation
929,751.66 : 1,393,309.08 = 389,425.68 : x - Step 2: Convert to fraction form
929,751.66/1,393,309.08 = 389,425.68/x - Step 3: Cross multiply
929,751.66x = 1,393,309.08 × 389,425.68 - Step 4: Simplify right side
929,751.66x = 542,590,335,929.17 - Step 5: Solve for x
x = 542,590,335,929.17/929,751.66 - Step 6: Final answer
x = 583,586.31
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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.