Finding the Fourth Proportional to 522,852.77, 721,760.12 and 442,699.22
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Solution
The fourth proportional to 522,852.77, 721,760.12 and 442,699.22 is: 611,113.99
Step by Step Solution
- Step 1: Write the proportion equation
522,852.77 : 721,760.12 = 442,699.22 : x - Step 2: Convert to fraction form
522,852.77/721,760.12 = 442,699.22/x - Step 3: Cross multiply
522,852.77x = 721,760.12 × 442,699.22 - Step 4: Simplify right side
522,852.77x = 319,522,643,402.13 - Step 5: Solve for x
x = 319,522,643,402.13/522,852.77 - Step 6: Final answer
x = 611,113.99
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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.