Finding the Fourth Proportional to 709,059.60, 1,062,702.45 and 354,172.68
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Solution
The fourth proportional to 709,059.60, 1,062,702.45 and 354,172.68 is: 530,815.99
Step by Step Solution
- Step 1: Write the proportion equation
709,059.60 : 1,062,702.45 = 354,172.68 : x - Step 2: Convert to fraction form
709,059.60/1,062,702.45 = 354,172.68/x - Step 3: Cross multiply
709,059.60x = 1,062,702.45 × 354,172.68 - Step 4: Simplify right side
709,059.60x = 376,380,174,759.07 - Step 5: Solve for x
x = 376,380,174,759.07/709,059.60 - Step 6: Final answer
x = 530,815.99
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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.