Finding the Fourth Proportional to 982,148.14, 1,355,378.43 and 579,740.14
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Solution
The fourth proportional to 982,148.14, 1,355,378.43 and 579,740.14 is: 800,049.66
Step by Step Solution
- Step 1: Write the proportion equation
982,148.14 : 1,355,378.43 = 579,740.14 : x - Step 2: Convert to fraction form
982,148.14/1,355,378.43 = 579,740.14/x - Step 3: Cross multiply
982,148.14x = 1,355,378.43 × 579,740.14 - Step 4: Simplify right side
982,148.14x = 785,767,280,761.18 - Step 5: Solve for x
x = 785,767,280,761.18/982,148.14 - Step 6: Final answer
x = 800,049.66
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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.