Finding the Fourth Proportional to 992,655.68, 1,489,843.20 and 519,671.84
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Solution
The fourth proportional to 992,655.68, 1,489,843.20 and 519,671.84 is: 779,957.82
Step by Step Solution
- Step 1: Write the proportion equation
992,655.68 : 1,489,843.20 = 519,671.84 : x - Step 2: Convert to fraction form
992,655.68/1,489,843.20 = 519,671.84/x - Step 3: Cross multiply
992,655.68x = 1,489,843.20 × 519,671.84 - Step 4: Simplify right side
992,655.68x = 774,229,557,055.49 - Step 5: Solve for x
x = 774,229,557,055.49/992,655.68 - Step 6: Final answer
x = 779,957.82
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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.