Finding the Fourth Proportional to 854,106, 1,178,657.64 and 472,114.32
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Solution
The fourth proportional to 854,106, 1,178,657.64 and 472,114.32 is: 651,512.99
Step by Step Solution
- Step 1: Write the proportion equation
854,106 : 1,178,657.64 = 472,114.32 : x - Step 2: Convert to fraction form
854,106/1,178,657.64 = 472,114.32/x - Step 3: Cross multiply
854,106x = 1,178,657.64 × 472,114.32 - Step 4: Simplify right side
854,106x = 556,461,150,221.41 - Step 5: Solve for x
x = 556,461,150,221.41/854,106 - Step 6: Final answer
x = 651,512.99
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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.