Finding the Fourth Proportional to 677,013.12, 1,009,466.99 and 658,412.68
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Solution
The fourth proportional to 677,013.12, 1,009,466.99 and 658,412.68 is: 981,732.62
Step by Step Solution
- Step 1: Write the proportion equation
677,013.12 : 1,009,466.99 = 658,412.68 : x - Step 2: Convert to fraction form
677,013.12/1,009,466.99 = 658,412.68/x - Step 3: Cross multiply
677,013.12x = 1,009,466.99 × 658,412.68 - Step 4: Simplify right side
677,013.12x = 664,645,866,257.43 - Step 5: Solve for x
x = 664,645,866,257.43/677,013.12 - Step 6: Final answer
x = 981,732.62
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.