Finding the Fourth Proportional to 744,939.84, 1,028,040.18 and 422,663.52
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Solution
The fourth proportional to 744,939.84, 1,028,040.18 and 422,663.52 is: 583,288.82
Step by Step Solution
- Step 1: Write the proportion equation
744,939.84 : 1,028,040.18 = 422,663.52 : x - Step 2: Convert to fraction form
744,939.84/1,028,040.18 = 422,663.52/x - Step 3: Cross multiply
744,939.84x = 1,028,040.18 × 422,663.52 - Step 4: Simplify right side
744,939.84x = 434,515,081,180.23 - Step 5: Solve for x
x = 434,515,081,180.23/744,939.84 - Step 6: Final answer
x = 583,288.82
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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.