Finding the Fourth Proportional to 453,871.20, 680,806.80 and 433,204.05
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Solution
The fourth proportional to 453,871.20, 680,806.80 and 433,204.05 is: 649,806.08
Step by Step Solution
- Step 1: Write the proportion equation
453,871.20 : 680,806.80 = 433,204.05 : x - Step 2: Convert to fraction form
453,871.20/680,806.80 = 433,204.05/x - Step 3: Cross multiply
453,871.20x = 680,806.80 × 433,204.05 - Step 4: Simplify right side
453,871.20x = 294,928,263,027.54 - Step 5: Solve for x
x = 294,928,263,027.54/453,871.20 - Step 6: Final answer
x = 649,806.08
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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.