Finding the Fourth Proportional to 993,620.84, 1,490,455.85 and 362,534.63
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Solution
The fourth proportional to 993,620.84, 1,490,455.85 and 362,534.63 is: 543,810.91
Step by Step Solution
- Step 1: Write the proportion equation
993,620.84 : 1,490,455.85 = 362,534.63 : x - Step 2: Convert to fraction form
993,620.84/1,490,455.85 = 362,534.63/x - Step 3: Cross multiply
993,620.84x = 1,490,455.85 × 362,534.63 - Step 4: Simplify right side
993,620.84x = 540,341,850,846.13 - Step 5: Solve for x
x = 540,341,850,846.13/993,620.84 - Step 6: Final answer
x = 543,810.91
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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.