Finding the Fourth Proportional to 893,800.44, 1,341,137.70 and 420,532.92
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Solution
The fourth proportional to 893,800.44, 1,341,137.70 and 420,532.92 is: 631,005.01
Step by Step Solution
- Step 1: Write the proportion equation
893,800.44 : 1,341,137.70 = 420,532.92 : x - Step 2: Convert to fraction form
893,800.44/1,341,137.70 = 420,532.92/x - Step 3: Cross multiply
893,800.44x = 1,341,137.70 × 420,532.92 - Step 4: Simplify right side
893,800.44x = 563,992,553,103.08 - Step 5: Solve for x
x = 563,992,553,103.08/893,800.44 - Step 6: Final answer
x = 631,005.01
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1.5x scale
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.