Finding the Fourth Proportional to 603,613.91, 832,938.44 and 348,981.50
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Solution
The fourth proportional to 603,613.91, 832,938.44 and 348,981.50 is: 481,566.28
Step by Step Solution
- Step 1: Write the proportion equation
603,613.91 : 832,938.44 = 348,981.50 : x - Step 2: Convert to fraction form
603,613.91/832,938.44 = 348,981.50/x - Step 3: Cross multiply
603,613.91x = 832,938.44 × 348,981.50 - Step 4: Simplify right side
603,613.91x = 290,680,100,289.26 - Step 5: Solve for x
x = 290,680,100,289.26/603,613.91 - Step 6: Final answer
x = 481,566.28
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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.