Finding the Fourth Proportional to 855,208.62, 1,180,212.39 and 473,270.94
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Solution
The fourth proportional to 855,208.62, 1,180,212.39 and 473,270.94 is: 653,127.45
Step by Step Solution
- Step 1: Write the proportion equation
855,208.62 : 1,180,212.39 = 473,270.94 : x - Step 2: Convert to fraction form
855,208.62/1,180,212.39 = 473,270.94/x - Step 3: Cross multiply
855,208.62x = 1,180,212.39 × 473,270.94 - Step 4: Simplify right side
855,208.62x = 558,560,227,214.95 - Step 5: Solve for x
x = 558,560,227,214.95/855,208.62 - Step 6: Final answer
x = 653,127.45
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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.