Finding the Fourth Proportional to 610,625.05, 842,763.42 and 338,780.48
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Solution
The fourth proportional to 610,625.05, 842,763.42 and 338,780.48 is: 467,573.01
Step by Step Solution
- Step 1: Write the proportion equation
610,625.05 : 842,763.42 = 338,780.48 : x - Step 2: Convert to fraction form
610,625.05/842,763.42 = 338,780.48/x - Step 3: Cross multiply
610,625.05x = 842,763.42 × 338,780.48 - Step 4: Simplify right side
610,625.05x = 285,511,791,740.23 - Step 5: Solve for x
x = 285,511,791,740.23/610,625.05 - Step 6: Final answer
x = 467,573.01
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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.