Finding the Fourth Proportional to 774,740.96, 1,162,178.36 and 213,775.44
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Solution
The fourth proportional to 774,740.96, 1,162,178.36 and 213,775.44 is: 320,681.63
Step by Step Solution
- Step 1: Write the proportion equation
774,740.96 : 1,162,178.36 = 213,775.44 : x - Step 2: Convert to fraction form
774,740.96/1,162,178.36 = 213,775.44/x - Step 3: Cross multiply
774,740.96x = 1,162,178.36 × 213,775.44 - Step 4: Simplify right side
774,740.96x = 248,445,190,267.48 - Step 5: Solve for x
x = 248,445,190,267.48/774,740.96 - Step 6: Final answer
x = 320,681.63
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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.