Finding the Fourth Proportional to 689,684.36, 1,033,855.60 and 329,761.68
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Solution
The fourth proportional to 689,684.36, 1,033,855.60 and 329,761.68 is: 494,321.72
Step by Step Solution
- Step 1: Write the proportion equation
689,684.36 : 1,033,855.60 = 329,761.68 : x - Step 2: Convert to fraction form
689,684.36/1,033,855.60 = 329,761.68/x - Step 3: Cross multiply
689,684.36x = 1,033,855.60 × 329,761.68 - Step 4: Simplify right side
689,684.36x = 340,925,959,533.41 - Step 5: Solve for x
x = 340,925,959,533.41/689,684.36 - Step 6: Final answer
x = 494,321.72
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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.