Finding the Fourth Proportional to 851,918.80, 1,276,792.80 and 452,750.80
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Solution
The fourth proportional to 851,918.80, 1,276,792.80 and 452,750.80 is: 678,549.37
Step by Step Solution
- Step 1: Write the proportion equation
851,918.80 : 1,276,792.80 = 452,750.80 : x - Step 2: Convert to fraction form
851,918.80/1,276,792.80 = 452,750.80/x - Step 3: Cross multiply
851,918.80x = 1,276,792.80 × 452,750.80 - Step 4: Simplify right side
851,918.80x = 578,068,961,634.24 - Step 5: Solve for x
x = 578,068,961,634.24/851,918.80 - Step 6: Final answer
x = 678,549.37
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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.