Finding the Fourth Proportional to 719,698.31, 1,079,548.84 and 187,218.49
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Solution
The fourth proportional to 719,698.31, 1,079,548.84 and 187,218.49 is: 280,828.09
Step by Step Solution
- Step 1: Write the proportion equation
719,698.31 : 1,079,548.84 = 187,218.49 : x - Step 2: Convert to fraction form
719,698.31/1,079,548.84 = 187,218.49/x - Step 3: Cross multiply
719,698.31x = 1,079,548.84 × 187,218.49 - Step 4: Simplify right side
719,698.31x = 202,111,502,738.81 - Step 5: Solve for x
x = 202,111,502,738.81/719,698.31 - Step 6: Final answer
x = 280,828.09
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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.