Finding the Fourth Proportional to 755,124.67, 1,041,837.36 and 428,383.81
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Solution
The fourth proportional to 755,124.67, 1,041,837.36 and 428,383.81 is: 591,036.52
Step by Step Solution
- Step 1: Write the proportion equation
755,124.67 : 1,041,837.36 = 428,383.81 : x - Step 2: Convert to fraction form
755,124.67/1,041,837.36 = 428,383.81/x - Step 3: Cross multiply
755,124.67x = 1,041,837.36 × 428,383.81 - Step 4: Simplify right side
755,124.67x = 446,306,257,677.14 - Step 5: Solve for x
x = 446,306,257,677.14/755,124.67 - Step 6: Final answer
x = 591,036.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.