Finding the Fourth Proportional to 804,954.90, 1,207,432.35 and 720,974.10
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Solution
The fourth proportional to 804,954.90, 1,207,432.35 and 720,974.10 is: 1,081,461.15
Step by Step Solution
- Step 1: Write the proportion equation
804,954.90 : 1,207,432.35 = 720,974.10 : x - Step 2: Convert to fraction form
804,954.90/1,207,432.35 = 720,974.10/x - Step 3: Cross multiply
804,954.90x = 1,207,432.35 × 720,974.10 - Step 4: Simplify right side
804,954.90x = 870,527,451,852.14 - Step 5: Solve for x
x = 870,527,451,852.14/804,954.90 - Step 6: Final answer
x = 1,081,461.15
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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.