Finding the Fourth Proportional to 904,754.88, 1,247,464.56 and 782,026.08
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Solution
The fourth proportional to 904,754.88, 1,247,464.56 and 782,026.08 is: 1,078,247.65
Step by Step Solution
- Step 1: Write the proportion equation
904,754.88 : 1,247,464.56 = 782,026.08 : x - Step 2: Convert to fraction form
904,754.88/1,247,464.56 = 782,026.08/x - Step 3: Cross multiply
904,754.88x = 1,247,464.56 × 782,026.08 - Step 4: Simplify right side
904,754.88x = 975,549,819,795.73 - Step 5: Solve for x
x = 975,549,819,795.73/904,754.88 - Step 6: Final answer
x = 1,078,247.65
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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.