Finding the Fourth Proportional to 781,901.24, 1,173,000.54 and 269,430.44
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Solution
The fourth proportional to 781,901.24, 1,173,000.54 and 269,430.44 is: 404,196.89
Step by Step Solution
- Step 1: Write the proportion equation
781,901.24 : 1,173,000.54 = 269,430.44 : x - Step 2: Convert to fraction form
781,901.24/1,173,000.54 = 269,430.44/x - Step 3: Cross multiply
781,901.24x = 1,173,000.54 × 269,430.44 - Step 4: Simplify right side
781,901.24x = 316,042,051,612.44 - Step 5: Solve for x
x = 316,042,051,612.44/781,901.24 - Step 6: Final answer
x = 404,196.89
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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.