Finding the Fourth Proportional to 995,756.10, 1,489,697.55 and 864,098.70
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Solution
The fourth proportional to 995,756.10, 1,489,697.55 and 864,098.70 is: 1,292,731.94
Step by Step Solution
- Step 1: Write the proportion equation
995,756.10 : 1,489,697.55 = 864,098.70 : x - Step 2: Convert to fraction form
995,756.10/1,489,697.55 = 864,098.70/x - Step 3: Cross multiply
995,756.10x = 1,489,697.55 × 864,098.70 - Step 4: Simplify right side
995,756.10x = 1,287,245,716,348.19 - Step 5: Solve for x
x = 1,287,245,716,348.19/995,756.10 - Step 6: Final answer
x = 1,292,731.94
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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.