Finding the Fourth Proportional to 842,794.75, 1,264,193.34 and 344,158.75
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Solution
The fourth proportional to 842,794.75, 1,264,193.34 and 344,158.75 is: 516,238.62
Step by Step Solution
- Step 1: Write the proportion equation
842,794.75 : 1,264,193.34 = 344,158.75 : x - Step 2: Convert to fraction form
842,794.75/1,264,193.34 = 344,158.75/x - Step 3: Cross multiply
842,794.75x = 1,264,193.34 × 344,158.75 - Step 4: Simplify right side
842,794.75x = 435,083,199,652.73 - Step 5: Solve for x
x = 435,083,199,652.73/842,794.75 - Step 6: Final answer
x = 516,238.62
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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.