Finding the Fourth Proportional to 691,739.16, 1,037,359.64 and 292,410.99
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Solution
The fourth proportional to 691,739.16, 1,037,359.64 and 292,410.99 is: 438,511.19
Step by Step Solution
- Step 1: Write the proportion equation
691,739.16 : 1,037,359.64 = 292,410.99 : x - Step 2: Convert to fraction form
691,739.16/1,037,359.64 = 292,410.99/x - Step 3: Cross multiply
691,739.16x = 1,037,359.64 × 292,410.99 - Step 4: Simplify right side
691,739.16x = 303,335,359,318.44 - Step 5: Solve for x
x = 303,335,359,318.44/691,739.16 - Step 6: Final answer
x = 438,511.19
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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.