Finding the Fourth Proportional to 585,628.20, 878,442.30 and 349,237.80
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Solution
The fourth proportional to 585,628.20, 878,442.30 and 349,237.80 is: 523,856.70
Step by Step Solution
- Step 1: Write the proportion equation
585,628.20 : 878,442.30 = 349,237.80 : x - Step 2: Convert to fraction form
585,628.20/878,442.30 = 349,237.80/x - Step 3: Cross multiply
585,628.20x = 878,442.30 × 349,237.80 - Step 4: Simplify right side
585,628.20x = 306,785,256,278.94 - Step 5: Solve for x
x = 306,785,256,278.94/585,628.20 - Step 6: Final answer
x = 523,856.70
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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.