Finding the Fourth Proportional to 696,980.16, 1,044,997.12 and 354,582.08
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Solution
The fourth proportional to 696,980.16, 1,044,997.12 and 354,582.08 is: 531,632.42
Step by Step Solution
- Step 1: Write the proportion equation
696,980.16 : 1,044,997.12 = 354,582.08 : x - Step 2: Convert to fraction form
696,980.16/1,044,997.12 = 354,582.08/x - Step 3: Cross multiply
696,980.16x = 1,044,997.12 × 354,582.08 - Step 4: Simplify right side
696,980.16x = 370,537,251,540.59 - Step 5: Solve for x
x = 370,537,251,540.59/696,980.16 - Step 6: Final answer
x = 531,632.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.