Finding the Fourth Proportional to 920,137.26, 1,378,368 and 730,918.02
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Solution
The fourth proportional to 920,137.26, 1,378,368 and 730,918.02 is: 1,094,917.09
Step by Step Solution
- Step 1: Write the proportion equation
920,137.26 : 1,378,368 = 730,918.02 : x - Step 2: Convert to fraction form
920,137.26/1,378,368 = 730,918.02/x - Step 3: Cross multiply
920,137.26x = 1,378,368 × 730,918.02 - Step 4: Simplify right side
920,137.26x = 1,007,474,009,391.36 - Step 5: Solve for x
x = 1,007,474,009,391.36/920,137.26 - Step 6: Final answer
x = 1,094,917.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.