Finding the Fourth Proportional to 679,213.65, 1,018,855.32 and 173,778.99
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Solution
The fourth proportional to 679,213.65, 1,018,855.32 and 173,778.99 is: 260,677.40
Step by Step Solution
- Step 1: Write the proportion equation
679,213.65 : 1,018,855.32 = 173,778.99 : x - Step 2: Convert to fraction form
679,213.65/1,018,855.32 = 173,778.99/x - Step 3: Cross multiply
679,213.65x = 1,018,855.32 × 173,778.99 - Step 4: Simplify right side
679,213.65x = 177,055,648,465.73 - Step 5: Solve for x
x = 177,055,648,465.73/679,213.65 - Step 6: Final answer
x = 260,677.40
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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.