Finding the Fourth Proportional to 995,518.84, 1,373,817.37 and 542,809.84
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Solution
The fourth proportional to 995,518.84, 1,373,817.37 and 542,809.84 is: 749,078.33
Step by Step Solution
- Step 1: Write the proportion equation
995,518.84 : 1,373,817.37 = 542,809.84 : x - Step 2: Convert to fraction form
995,518.84/1,373,817.37 = 542,809.84/x - Step 3: Cross multiply
995,518.84x = 1,373,817.37 × 542,809.84 - Step 4: Simplify right side
995,518.84x = 745,721,586,798.92 - Step 5: Solve for x
x = 745,721,586,798.92/995,518.84 - Step 6: Final answer
x = 749,078.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.