Finding the Fourth Proportional to 691,691.81, 1,037,644.99 and 292,334.27
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Solution
The fourth proportional to 691,691.81, 1,037,644.99 and 292,334.27 is: 438,546.74
Step by Step Solution
- Step 1: Write the proportion equation
691,691.81 : 1,037,644.99 = 292,334.27 : x - Step 2: Convert to fraction form
691,691.81/1,037,644.99 = 292,334.27/x - Step 3: Cross multiply
691,691.81x = 1,037,644.99 × 292,334.27 - Step 4: Simplify right side
691,691.81x = 303,339,184,751.75 - Step 5: Solve for x
x = 303,339,184,751.75/691,691.81 - Step 6: Final answer
x = 438,546.74
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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.