Finding the Fourth Proportional to 957,650.55, 1,321,572.41 and 522,068.19
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Solution
The fourth proportional to 957,650.55, 1,321,572.41 and 522,068.19 is: 720,462.09
Step by Step Solution
- Step 1: Write the proportion equation
957,650.55 : 1,321,572.41 = 522,068.19 : x - Step 2: Convert to fraction form
957,650.55/1,321,572.41 = 522,068.19/x - Step 3: Cross multiply
957,650.55x = 1,321,572.41 × 522,068.19 - Step 4: Simplify right side
957,650.55x = 689,950,916,042.64 - Step 5: Solve for x
x = 689,950,916,042.64/957,650.55 - Step 6: Final answer
x = 720,462.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.