Finding the Fourth Proportional to 854,621.95, 1,179,398.97 and 467,473.74
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Solution
The fourth proportional to 854,621.95, 1,179,398.97 and 467,473.74 is: 645,125.07
Step by Step Solution
- Step 1: Write the proportion equation
854,621.95 : 1,179,398.97 = 467,473.74 : x - Step 2: Convert to fraction form
854,621.95/1,179,398.97 = 467,473.74/x - Step 3: Cross multiply
854,621.95x = 1,179,398.97 × 467,473.74 - Step 4: Simplify right side
854,621.95x = 551,338,045,120.68 - Step 5: Solve for x
x = 551,338,045,120.68/854,621.95 - Step 6: Final answer
x = 645,125.07
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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.