Finding the Fourth Proportional to 738,963.68, 1,019,842.92 and 448,552.28
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Solution
The fourth proportional to 738,963.68, 1,019,842.92 and 448,552.28 is: 619,046.48
Step by Step Solution
- Step 1: Write the proportion equation
738,963.68 : 1,019,842.92 = 448,552.28 : x - Step 2: Convert to fraction form
738,963.68/1,019,842.92 = 448,552.28/x - Step 3: Cross multiply
738,963.68x = 1,019,842.92 × 448,552.28 - Step 4: Simplify right side
738,963.68x = 457,452,867,007.86 - Step 5: Solve for x
x = 457,452,867,007.86/738,963.68 - Step 6: Final answer
x = 619,046.48
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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.