Finding the Fourth Proportional to 719,718.62, 1,079,579.21 and 187,238.79
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Solution
The fourth proportional to 719,718.62, 1,079,579.21 and 187,238.79 is: 280,858.52
Step by Step Solution
- Step 1: Write the proportion equation
719,718.62 : 1,079,579.21 = 187,238.79 : x - Step 2: Convert to fraction form
719,718.62/1,079,579.21 = 187,238.79/x - Step 3: Cross multiply
719,718.62x = 1,079,579.21 × 187,238.79 - Step 4: Simplify right side
719,718.62x = 202,139,104,053.36 - Step 5: Solve for x
x = 202,139,104,053.36/719,718.62 - Step 6: Final answer
x = 280,858.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.