Finding the Fourth Proportional to 862,324.79, 1,190,044.98 and 480,351.74
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Solution
The fourth proportional to 862,324.79, 1,190,044.98 and 480,351.74 is: 662,905.88
Step by Step Solution
- Step 1: Write the proportion equation
862,324.79 : 1,190,044.98 = 480,351.74 : x - Step 2: Convert to fraction form
862,324.79/1,190,044.98 = 480,351.74/x - Step 3: Cross multiply
862,324.79x = 1,190,044.98 × 480,351.74 - Step 4: Simplify right side
862,324.79x = 571,640,170,871.04 - Step 5: Solve for x
x = 571,640,170,871.04/862,324.79 - Step 6: Final answer
x = 662,905.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.