Finding the Fourth Proportional to 1,385,042.58, 2,077,460.07 and 486,492.18
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Solution
The fourth proportional to 1,385,042.58, 2,077,460.07 and 486,492.18 is: 729,701.81
Step by Step Solution
- Step 1: Write the proportion equation
1,385,042.58 : 2,077,460.07 = 486,492.18 : x - Step 2: Convert to fraction form
1,385,042.58/2,077,460.07 = 486,492.18/x - Step 3: Cross multiply
1,385,042.58x = 2,077,460.07 × 486,492.18 - Step 4: Simplify right side
1,385,042.58x = 1,010,668,078,317.25 - Step 5: Solve for x
x = 1,010,668,078,317.25/1,385,042.58 - Step 6: Final answer
x = 729,701.81
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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.