Finding the Fourth Proportional to 919,097.70, 1,378,646.55 and 682,901.70
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Solution
The fourth proportional to 919,097.70, 1,378,646.55 and 682,901.70 is: 1,024,352.55
Step by Step Solution
- Step 1: Write the proportion equation
919,097.70 : 1,378,646.55 = 682,901.70 : x - Step 2: Convert to fraction form
919,097.70/1,378,646.55 = 682,901.70/x - Step 3: Cross multiply
919,097.70x = 1,378,646.55 × 682,901.70 - Step 4: Simplify right side
919,097.70x = 941,480,072,694.14 - Step 5: Solve for x
x = 941,480,072,694.14/919,097.70 - Step 6: Final answer
x = 1,024,352.55
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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.