Finding the Fourth Proportional to 689,762.05, 1,033,147.68 and 334,030.10
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Solution
The fourth proportional to 689,762.05, 1,033,147.68 and 334,030.10 is: 500,320.97
Step by Step Solution
- Step 1: Write the proportion equation
689,762.05 : 1,033,147.68 = 334,030.10 : x - Step 2: Convert to fraction form
689,762.05/1,033,147.68 = 334,030.10/x - Step 3: Cross multiply
689,762.05x = 1,033,147.68 × 334,030.10 - Step 4: Simplify right side
689,762.05x = 345,102,416,446.82 - Step 5: Solve for x
x = 345,102,416,446.82/689,762.05 - Step 6: Final answer
x = 500,320.97
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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.