Finding the Fourth Proportional to 965,695.20, 1,448,542.80 and 716,863.20
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Solution
The fourth proportional to 965,695.20, 1,448,542.80 and 716,863.20 is: 1,075,294.80
Step by Step Solution
- Step 1: Write the proportion equation
965,695.20 : 1,448,542.80 = 716,863.20 : x - Step 2: Convert to fraction form
965,695.20/1,448,542.80 = 716,863.20/x - Step 3: Cross multiply
965,695.20x = 1,448,542.80 × 716,863.20 - Step 4: Simplify right side
965,695.20x = 1,038,407,026,944.96 - Step 5: Solve for x
x = 1,038,407,026,944.96/965,695.20 - Step 6: Final answer
x = 1,075,294.80
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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.