Finding the Fourth Proportional to 873,119.44, 1,309,679.52 and 392,786.19
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Solution
The fourth proportional to 873,119.44, 1,309,679.52 and 392,786.19 is: 589,179.45
Step by Step Solution
- Step 1: Write the proportion equation
873,119.44 : 1,309,679.52 = 392,786.19 : x - Step 2: Convert to fraction form
873,119.44/1,309,679.52 = 392,786.19/x - Step 3: Cross multiply
873,119.44x = 1,309,679.52 × 392,786.19 - Step 4: Simplify right side
873,119.44x = 514,424,032,056.03 - Step 5: Solve for x
x = 514,424,032,056.03/873,119.44 - Step 6: Final answer
x = 589,179.45
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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.