Finding the Fourth Proportional to 790,940.68, 1,091,565.33 and 446,839.75
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Solution
The fourth proportional to 790,940.68, 1,091,565.33 and 446,839.75 is: 616,676.82
Step by Step Solution
- Step 1: Write the proportion equation
790,940.68 : 1,091,565.33 = 446,839.75 : x - Step 2: Convert to fraction form
790,940.68/1,091,565.33 = 446,839.75/x - Step 3: Cross multiply
790,940.68x = 1,091,565.33 × 446,839.75 - Step 4: Simplify right side
790,940.68x = 487,754,782,431.88 - Step 5: Solve for x
x = 487,754,782,431.88/790,940.68 - Step 6: Final answer
x = 616,676.82
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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.