Finding the Fourth Proportional to 808,214.10, 1,212,321.15 and 276,335.70
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Solution
The fourth proportional to 808,214.10, 1,212,321.15 and 276,335.70 is: 414,503.55
Step by Step Solution
- Step 1: Write the proportion equation
808,214.10 : 1,212,321.15 = 276,335.70 : x - Step 2: Convert to fraction form
808,214.10/1,212,321.15 = 276,335.70/x - Step 3: Cross multiply
808,214.10x = 1,212,321.15 × 276,335.70 - Step 4: Simplify right side
808,214.10x = 335,007,613,610.06 - Step 5: Solve for x
x = 335,007,613,610.06/808,214.10 - Step 6: Final answer
x = 414,503.55
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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.