Finding the Fourth Proportional to 752,395.37, 1,128,629.95 and 303,055.56
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Solution
The fourth proportional to 752,395.37, 1,128,629.95 and 303,055.56 is: 454,598.21
Step by Step Solution
- Step 1: Write the proportion equation
752,395.37 : 1,128,629.95 = 303,055.56 : x - Step 2: Convert to fraction form
752,395.37/1,128,629.95 = 303,055.56/x - Step 3: Cross multiply
752,395.37x = 1,128,629.95 × 303,055.56 - Step 4: Simplify right side
752,395.37x = 342,037,582,477.07 - Step 5: Solve for x
x = 342,037,582,477.07/752,395.37 - Step 6: Final answer
x = 454,598.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.