Finding the Fourth Proportional to 939,874.79, 1,409,866.53 and 265,899.65
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Solution
The fourth proportional to 939,874.79, 1,409,866.53 and 265,899.65 is: 398,864.84
Step by Step Solution
- Step 1: Write the proportion equation
939,874.79 : 1,409,866.53 = 265,899.65 : x - Step 2: Convert to fraction form
939,874.79/1,409,866.53 = 265,899.65/x - Step 3: Cross multiply
939,874.79x = 1,409,866.53 × 265,899.65 - Step 4: Simplify right side
939,874.79x = 374,883,008,827.26 - Step 5: Solve for x
x = 374,883,008,827.26/939,874.79 - Step 6: Final answer
x = 398,864.84
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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.