Finding the Fourth Proportional to 553,628.52, 764,007.36 and 298,979.70
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Solution
The fourth proportional to 553,628.52, 764,007.36 and 298,979.70 is: 412,591.99
Step by Step Solution
- Step 1: Write the proportion equation
553,628.52 : 764,007.36 = 298,979.70 : x - Step 2: Convert to fraction form
553,628.52/764,007.36 = 298,979.70/x - Step 3: Cross multiply
553,628.52x = 764,007.36 × 298,979.70 - Step 4: Simplify right side
553,628.52x = 228,422,691,290.59 - Step 5: Solve for x
x = 228,422,691,290.59/553,628.52 - Step 6: Final answer
x = 412,591.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.