Finding the Fourth Proportional to 769,793.06, 1,062,271.54 and 425,609.08
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Solution
The fourth proportional to 769,793.06, 1,062,271.54 and 425,609.08 is: 587,316.82
Step by Step Solution
- Step 1: Write the proportion equation
769,793.06 : 1,062,271.54 = 425,609.08 : x - Step 2: Convert to fraction form
769,793.06/1,062,271.54 = 425,609.08/x - Step 3: Cross multiply
769,793.06x = 1,062,271.54 × 425,609.08 - Step 4: Simplify right side
769,793.06x = 452,112,412,849.58 - Step 5: Solve for x
x = 452,112,412,849.58/769,793.06 - Step 6: Final answer
x = 587,316.82
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1.5x scale
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.