Finding the Fourth Proportional to 764,031.67, 1,054,357.48 and 415,168.99
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Solution
The fourth proportional to 764,031.67, 1,054,357.48 and 415,168.99 is: 572,929.82
Step by Step Solution
- Step 1: Write the proportion equation
764,031.67 : 1,054,357.48 = 415,168.99 : x - Step 2: Convert to fraction form
764,031.67/1,054,357.48 = 415,168.99/x - Step 3: Cross multiply
764,031.67x = 1,054,357.48 × 415,168.99 - Step 4: Simplify right side
764,031.67x = 437,736,530,070.55 - Step 5: Solve for x
x = 437,736,530,070.55/764,031.67 - Step 6: Final answer
x = 572,929.82
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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.