Finding the Fourth Proportional to 808,613, 1,116,244.68 and 522,272.72
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Solution
The fourth proportional to 808,613, 1,116,244.68 and 522,272.72 is: 720,968.06
Step by Step Solution
- Step 1: Write the proportion equation
808,613 : 1,116,244.68 = 522,272.72 : x - Step 2: Convert to fraction form
808,613/1,116,244.68 = 522,272.72/x - Step 3: Cross multiply
808,613x = 1,116,244.68 × 522,272.72 - Step 4: Simplify right side
808,613x = 582,984,145,209.13 - Step 5: Solve for x
x = 582,984,145,209.13/808,613 - Step 6: Final answer
x = 720,968.06
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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.