Finding the Fourth Proportional to 968,283.99, 1,449,621.20 and 729,403.94
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Solution
The fourth proportional to 968,283.99, 1,449,621.20 and 729,403.94 is: 1,091,993.08
Step by Step Solution
- Step 1: Write the proportion equation
968,283.99 : 1,449,621.20 = 729,403.94 : x - Step 2: Convert to fraction form
968,283.99/1,449,621.20 = 729,403.94/x - Step 3: Cross multiply
968,283.99x = 1,449,621.20 × 729,403.94 - Step 4: Simplify right side
968,283.99x = 1,057,359,420,235.09 - Step 5: Solve for x
x = 1,057,359,420,235.09/968,283.99 - Step 6: Final answer
x = 1,091,993.08
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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.