Finding the Fourth Proportional to 751,447.14, 1,127,187.12 and 452,178.06
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Solution
The fourth proportional to 751,447.14, 1,127,187.12 and 452,178.06 is: 678,276.96
Step by Step Solution
- Step 1: Write the proportion equation
751,447.14 : 1,127,187.12 = 452,178.06 : x - Step 2: Convert to fraction form
751,447.14/1,127,187.12 = 452,178.06/x - Step 3: Cross multiply
751,447.14x = 1,127,187.12 × 452,178.06 - Step 4: Simplify right side
751,447.14x = 509,689,285,178.59 - Step 5: Solve for x
x = 509,689,285,178.59/751,447.14 - Step 6: Final answer
x = 678,276.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.