Finding the Fourth Proportional to 826,771.63, 1,239,526.65 and 377,178.08
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Solution
The fourth proportional to 826,771.63, 1,239,526.65 and 377,178.08 is: 565,479.35
Step by Step Solution
- Step 1: Write the proportion equation
826,771.63 : 1,239,526.65 = 377,178.08 : x - Step 2: Convert to fraction form
826,771.63/1,239,526.65 = 377,178.08/x - Step 3: Cross multiply
826,771.63x = 1,239,526.65 × 377,178.08 - Step 4: Simplify right side
826,771.63x = 467,522,278,014.82 - Step 5: Solve for x
x = 467,522,278,014.82/826,771.63 - Step 6: Final answer
x = 565,479.35
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1.5x scale
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.