Finding the Fourth Proportional to 854,118.39, 1,178,637.12 and 472,120.56
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Solution
The fourth proportional to 854,118.39, 1,178,637.12 and 472,120.56 is: 651,500.80
Step by Step Solution
- Step 1: Write the proportion equation
854,118.39 : 1,178,637.12 = 472,120.56 : x - Step 2: Convert to fraction form
854,118.39/1,178,637.12 = 472,120.56/x - Step 3: Cross multiply
854,118.39x = 1,178,637.12 × 472,120.56 - Step 4: Simplify right side
854,118.39x = 556,458,817,131.19 - Step 5: Solve for x
x = 556,458,817,131.19/854,118.39 - Step 6: Final answer
x = 651,500.80
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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.