Finding the Fourth Proportional to 855,852.20, 1,181,076.03 and 473,878.98
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Solution
The fourth proportional to 855,852.20, 1,181,076.03 and 473,878.98 is: 653,952.99
Step by Step Solution
- Step 1: Write the proportion equation
855,852.20 : 1,181,076.03 = 473,878.98 : x - Step 2: Convert to fraction form
855,852.20/1,181,076.03 = 473,878.98/x - Step 3: Cross multiply
855,852.20x = 1,181,076.03 × 473,878.98 - Step 4: Simplify right side
855,852.20x = 559,687,098,493.47 - Step 5: Solve for x
x = 559,687,098,493.47/855,852.20 - Step 6: Final answer
x = 653,952.99
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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.