Finding the Fourth Proportional to 691,592.91, 1,037,139.75 and 292,264.53
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Solution
The fourth proportional to 691,592.91, 1,037,139.75 and 292,264.53 is: 438,291.31
Step by Step Solution
- Step 1: Write the proportion equation
691,592.91 : 1,037,139.75 = 292,264.53 : x - Step 2: Convert to fraction form
691,592.91/1,037,139.75 = 292,264.53/x - Step 3: Cross multiply
691,592.91x = 1,037,139.75 × 292,264.53 - Step 4: Simplify right side
691,592.91x = 303,119,161,578.07 - Step 5: Solve for x
x = 303,119,161,578.07/691,592.91 - Step 6: Final answer
x = 438,291.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.