Finding the Fourth Proportional to 764,219.63, 1,053,511.57 and 534,062.36
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Solution
The fourth proportional to 764,219.63, 1,053,511.57 and 534,062.36 is: 736,229.29
Step by Step Solution
- Step 1: Write the proportion equation
764,219.63 : 1,053,511.57 = 534,062.36 : x - Step 2: Convert to fraction form
764,219.63/1,053,511.57 = 534,062.36/x - Step 3: Cross multiply
764,219.63x = 1,053,511.57 × 534,062.36 - Step 4: Simplify right side
764,219.63x = 562,640,868,758.79 - Step 5: Solve for x
x = 562,640,868,758.79/764,219.63 - Step 6: Final answer
x = 736,229.29
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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.