Finding the Fourth Proportional to 764,495.08, 1,054,940.45 and 450,116.96
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Solution
The fourth proportional to 764,495.08, 1,054,940.45 and 450,116.96 is: 621,124.45
Step by Step Solution
- Step 1: Write the proportion equation
764,495.08 : 1,054,940.45 = 450,116.96 : x - Step 2: Convert to fraction form
764,495.08/1,054,940.45 = 450,116.96/x - Step 3: Cross multiply
764,495.08x = 1,054,940.45 × 450,116.96 - Step 4: Simplify right side
764,495.08x = 474,846,588,335.03 - Step 5: Solve for x
x = 474,846,588,335.03/764,495.08 - Step 6: Final answer
x = 621,124.45
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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.