Finding the Fourth Proportional to 851,998.80, 1,276,912.80 and 452,830.80
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Solution
The fourth proportional to 851,998.80, 1,276,912.80 and 452,830.80 is: 678,669.32
Step by Step Solution
- Step 1: Write the proportion equation
851,998.80 : 1,276,912.80 = 452,830.80 : x - Step 2: Convert to fraction form
851,998.80/1,276,912.80 = 452,830.80/x - Step 3: Cross multiply
851,998.80x = 1,276,912.80 × 452,830.80 - Step 4: Simplify right side
851,998.80x = 578,225,444,754.24 - Step 5: Solve for x
x = 578,225,444,754.24/851,998.80 - Step 6: Final answer
x = 678,669.32
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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.