Finding the Fourth Proportional to 744,689.70, 1,116,896.04 and 239,259.42
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Solution
The fourth proportional to 744,689.70, 1,116,896.04 and 239,259.42 is: 358,844.63
Step by Step Solution
- Step 1: Write the proportion equation
744,689.70 : 1,116,896.04 = 239,259.42 : x - Step 2: Convert to fraction form
744,689.70/1,116,896.04 = 239,259.42/x - Step 3: Cross multiply
744,689.70x = 1,116,896.04 × 239,259.42 - Step 4: Simplify right side
744,689.70x = 267,227,898,730.70 - Step 5: Solve for x
x = 267,227,898,730.70/744,689.70 - Step 6: Final answer
x = 358,844.63
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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.